Charities United States Arts & Culture Acoustic Sound Inc
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Acoustic Sound Inc

Acoustic Sound is committed to preserving and promoting traditional acoustic American music through presentation and education, with special attention given to the bluegrass music community.

Arts & Culture Milton, WA EIN 912103544 · IRS Reg 91-2103544 · IRS Sign up to see website
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93
Integrity Assessment
Strong transparency
93/100 · methodology

About Acoustic Sound Inc

Unable to present in-person programming due to COVID, Wintergrass pivoted and created a monthly online variety show and a quarterly youth education show fulfilling our mission of preserving, producing and promoting bluegrass and acoustic music.

Founded
Headquarters
Milton, WA
Foundation type
Supporting organization (509(a)(3))
NTEE code
A68
IRS subsection
501(c)(03)
Ruling date
Size
small

Verified certifications

Confirmed against the issuing authority - not self-reported.

IRS Tax-Deductible since 2001

Mission

Acoustic Sound is committed to preserving and promoting traditional acoustic American music through presentation and education, with special attention given to the bluegrass music community.

Focus areas & reach

· What they work on and where
Arts & Culture · NTEE A68
Cause tags

How it stacks up against peers

· vs. 8 similar arts & culture in United States
Program spending This charity: 81%
Peer average: 93%
CEO comp as % of revenue This charity: 5.09%
Peer average: 0.48%
Integrity Assessment This charity: 93
Peer average: 93

Red flags

· All clear
IRS revocation history
OFAC / EU / UN sanctions
Open investigations
Governance scandals
Related-party deals
Excessive exec comp

Where every $1 goes

$0.81
Program expenses$0.81 ($517,143)
81% to programs beats the Charity Navigator "highly efficient" threshold (75%).

Common questions

· Auto-generated from filings + methodology

Acoustic Sound Inc is a registered arts & culture nonprofit based in Milton, WA, United States. It is registered with the Internal Revenue Service (IRS). It was founded in 2001 and has been operating for 25 years. Its EIN is 912103544. It has a GiveRadar Integrity Assessment of 93/100 (Strong transparency), indicating well-documented governance, financials, and contact details. The organization reports $716K in annual revenue. 56 officers and directors are publicly disclosed. No red flags have been detected.

Acoustic Sound Inc has a GiveRadar Integrity Assessment of 93/100. This score combines five components: Registration (20 pts), Financial Transparency (30 pts), Governance (20 pts), Contact Availability (10 pts), and Data Recency (20 pts), with negative adjustments for any red flags. A score of 93 ('Strong transparency') reflects well-documented governance, recent financials, named leadership, and working contact details. The charity allocates 81% of expenses to programs, which contributes positively to its score. For comparison, the average integrity assessment for arts & culture charities in United States is 93/100.

Acoustic Sound Inc is located in Milton, WA, United States. The organization was established in 2001 and has been active for 25 years.

Based on official tax filings, Acoustic Sound Inc has $716K in annual revenue. It allocates 81% of expenses to programs and services. This is below the average of 93% for arts & culture charities in United States. Create a free GiveRadar account to view the complete financial breakdown with year-over-year trends.

Acoustic Sound Inc is classified as a Arts & Culture organization, registered in United States. It operates as a Supporting organization (509(a)(3)). By size, it is categorized as a small organization. It has $716K in annual revenue. The organization has 56 disclosed officers and directors.

No red flags have been detected for Acoustic Sound Inc. GiveRadar automatically screens charities for concerning patterns including high executive compensation, low program spending, and missing financial filings. Based on available official data, no issues have been identified.

Acoustic Sound Inc has a GiveRadar Integrity Assessment of 93/100 (Strong transparency) and no red flags have been detected, which suggests it is a well-documented organization. It is regulated by the IRS. 81% of expenses go to programs. The peer average is 93%. You can donate directly through their official donation page linked on their GiveRadar profile. GiveRadar provides data for research purposes and does not endorse any organization. Always do your own due diligence.

Unable to present in-person programming due to COVID, Wintergrass pivoted and created a monthly online variety show and a quarterly youth education show fulfilling our mission of preserving, producing and promoting bluegrass and acoustic music. Acoustic Sound Inc is classified as a arts & culture organization registered in United States. The organization was founded in 2001.

Among arts & culture charities registered in United States: Acoustic Sound Inc's GiveRadar Integrity Assessment of 93/100 is in line with the peer average of 93/100. It allocates 81% of expenses to programs, below the peer average of 93%. Its annual revenue of $716K is comparable to the peer average of $1M.

Yes, donations to Acoustic Sound Inc are generally tax-deductible in the United States. Acoustic Sound Inc is a 501(c)(3) tax-exempt organization. Its EIN is 912103544, which you can use for tax filing purposes. Donors can typically deduct contributions on their federal income tax return if they itemize deductions. Consult a tax professional for guidance specific to your situation.

Verified against 5 official sources, last refreshed .

Annual revenue
$100K-$1M
81% to programs
Source: IRS 990 (FY2025) why this matters
Unlock exact figures

Filing history

6 years on file from IRS 990 (FY2025): revenue, expenses, program spending, assets, and liabilities by fiscal year.

Years on record: FY2025, FY2024, FY2023, FY2022, FY2021, FY2020.
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Taxes

Tax-deductibility for donors

Donations may be tax-deductible for residents of United States under local rules. Confirm with the charity directly.

Always confirm tax treatment with the charity directly or your tax advisor before donating.

Leadership

BI
Bill Clements
Treasurer

Officers & trustees (16)

Source: Public filings

BI
Bill C•••••••
Treasurer
BO
Bob E••••••
Board Member
DA
Dale A•••••
Board Member
DE
Dee F•••••••
Board Member
DO
Donald S••••
Treasurer
DO
Don S••••
Board Member
MA
Mark D••••••
Secretary
MA
Mary P•• B••••
President
PA
Patrice O••••••
Executive Dorectoor
RA
Rachel P•••••••••••
Vice President
RI
Ricky G••• P•••••
Board Member
RO
Rob N•••••
Board Member
RO
Roland M••••••••
Board Member
RO
Romy B••••
Board Member
SH
Sharon A•••••
Treasurer
SU
Suzanne A•••••
Board Member
Full names, contact details & compensation

Free with an account.

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Latest news

From global news sources

10 articles found

From global news sources

Sentiment

Neutral

Activity timeline

Filings and press mentions, merged

Underground acoustic signals reveal hidden tunnels - Tech Xplore
May 2026
techxplore.com
Will Sound Barriers Quiet Pickleball Noise Debate? - Coastal Breeze News
May 2026
www.coastalbreezenews.com
Passive Acoustic Monitoring Of Marine Mammals In Alaska - NOAA Fisheries (.gov)
Apr 2026
www.fisheries.noaa.gov
​​Best acoustic guitar amps 2026: let your acoustic tone shine - Guitar World
Apr 2026
www.guitarworld.com
AI-based acoustic C-UAS developer Talon Avionics opens seed round - Unmanned airspace
Apr 2026
www.unmannedairspace.info
Lick Creek Band to bring eclectic acoustic sound and signature harmonies to Mitchell Opera House April 18 - WBIW
Apr 2026
www.wbiw.com
The Barefoot Movement brings high-energy acoustic sound to Lutcher Theater - Orange Leader
Apr 2026
orangeleader.com
A New Way to Eavesdrop on Ocean Temperature in the Arctic - UC San Diego Today
Mar 2026
today.ucsd.edu
Best acoustic guitar pickups 2026: electrify your acoustic for stage, studio and sound fx – our top picks for all budget
Mar 2026
www.musicradar.com
Tiny bubbles, sound waves clean produce safely and effectively - Cornell Chronicle
Mar 2026
news.cornell.edu
Form filed
$0.7M revenue
FY2025
IRS_990
Form filed
$0.6M revenue
FY2024
IRS_990
Form filed
$0.6M revenue
FY2023
IRS_990
Form filed
$0.8M revenue
FY2022
IRS_990
Form filed
$0.1M revenue
FY2021
IRS_990
Form filed
$0.6M revenue
FY2020
IRS_990

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Peer charities

Other arts & culture in United States, by integrity assessment

Charity Score Revenue Program %
Acoustic Sound Inc This page 93 $715,545 81%
Paris Community Theater 93 $316,442 100%
Taylor Music Group 93 $100,949 83%
Chinese Center on Long Island Inc 93 $228,712 100%
Boston Festival Orchestra Inc 93 $215,316 94%
Oregon Arts Watch 93 $304,412 84%
Orchestra Santa Monica 93 $329,123 81%
Methow Music Festival Association 93 $217,431 100%
Border Crossing 93 $261,798 100%

Sources and verification

Refreshed

Registration and legal identity
Internal Revenue Service (IRS) - Tax Exempt Organization Search
Financial filings
IRS Form 990 filings - Fiscal year 2025 most recent on file.
Officers and trustees
Internal Revenue Service (IRS) - Tax Exempt Organization Search - 56 disclosed in the public registry.
News and media coverage
GDELT Project + Google News
Supplementary verification
Charity Navigator

Data freshness

Last updated
May 27, 2026
Profile completeness
100%

What we don't know

Honest gaps - our score reflects transparency, not impact

Programs & projects
No named programs listed by the charity
Operating reach
Countries where programs run not specified

Methodology

GiveRadar combines public registry filings, ProPublica Nonprofit Explorer, Charity Navigator, GuideStar, and news archives into a single 0-100 integrity assessment. We don't take a cut of any donation, ever.

Read full methodology

Quick facts about Acoustic Sound Inc

What is Acoustic Sound Inc?
Acoustic Sound Inc is a arts & culture supporting organization (509(a)(3)) based in Milton, United States. Unable to present in-person programming due to COVID, Wintergrass pivoted and created a monthly online variety show and a quarterly youth education show fulfilling our mission of preserving, producing and promoting bluegrass and acoustic music.
When was Acoustic Sound Inc founded?
Acoustic Sound Inc was founded in 2001.
Who leads Acoustic Sound Inc?
Bill Clements serves as Treasurer.
Where is Acoustic Sound Inc located?
Headquartered in Milton, United States.
What is Acoustic Sound Inc's annual budget?
Annual revenue for fiscal year 2025 is approximately $100K-$1M. 81% of expenses go to program services.
Is Acoustic Sound Inc trustworthy?
Acoustic Sound Inc has a GiveRadar Integrity Assessment of 93 out of 100 (Strong transparency). The score reflects public-data transparency: registration, financial disclosure, governance, contact details, and how recently data was refreshed. It does not measure program impact.
What is Acoustic Sound Inc's registration number?
IRS EIN: 912103544. Registration: 91-2103544 (United States).
What is Acoustic Sound Inc's website?
http://www.wintergrass.com