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EXPERIENTIAL ORCHESTRA

EIN 45-6334412 NEW YORK, NY

Revenue 2025
$55,027
Expenses 2025
$97,665

Program services were 81.1% of total expenses calculated — Part IX's program-services column over total expenses, both as filed.

As filed

Subsection
03
NTEE code
A69
Classification
1200
Street
375 RIVERSIDE DR APT 10E

These codes are the IRS's own and are shown exactly as filed. What each one means is in the Business Master File documentation (opens in a new tab).

Mission and programs · 2025

Mission

Experiential Orchestra invites listeners to experience sound in new ways through immersive site-specific concerts and recordings that expand the orchestral repertoire.

Activities or mission (Part I)

Experiential Orchestra EXO is dedicated to inviting audiences to engage with orchestral music through non-traditional presentation styles and educational interactive and immersive concert experiences.

  • With the Cathedral of St. John the Divine co-presenting an immersive concert at the Cathedral of St. John the Divine of Reflections of Memory with musicians and singers spaced throughout the nave of the largest Gothic Cathedral in the world. Program included Strausss Metamorphosen and Vaughan Williamss Fantasia on a Theme of Thomas Tallis. Revenue represents our 50% share of ticket sales after production expenses were met.

    Expenses $32,971 · Revenue $2,717

  • Performance of A Field Guide to Imaginary Birds in Prospect Park Brooklyn: A free concert of seven musicians who performed composed bird songs in the woods inviting listeners to walk along a path and identify these imaginary birds. Designed to be family friendly and full of wonder the event brought together more than 150 people in the park on May 3 2025.

    Expenses $4,104

  • Performance at the Steinway Factory in Queens NY with participants invited to a private tour of the Steinway factory followed by a performance by Steinway Artist Spencer Meyer.

    Expenses $11,730

  • Printing and Postage

    Expenses $89

  • Tax Services

    Expenses $569

As filed on the 2025 return.

Officers and directors · 2025

As listed in Part VII of the 2025 return, in the order the filer printed them. Each return names its own; this is not a roster the organization keeps with us.

  • Benjamin Weber

    Vice Chair

    Total calculated
    $0
    Hours/week
    4

  • James Moskin

    Treasurer

    Total calculated
    $0
    Hours/week
    3

  • Leila Amineddoleh

    Board Chair

    Total calculated
    $0
    Hours/week
    2

  • Katie Rocker

    Secretary

    Total calculated
    $0
    Hours/week
    2

  • William Finnegan

    Board Member

    Total calculated
    $0
    Hours/week
    2

  • Alexander Goldmark

    Board Member

    Total calculated
    $0
    Hours/week
    2

  • Bridget Killackey

    Board Member

    Total calculated
    $0
    Hours/week
    2

  • Lonell Wright

    Board Member

    Total calculated
    $0
    Hours/week
    2

  • Jeffrey Grip

    Governance Chair

    Total calculated
    $0
    Hours/week
    2

  • Robert Kopf

    Board Member

    Total calculated
    $0
    Hours/week
    2

  • James Blachly

    Music Director

    Total calculated
    $15,400
    From this org
    $7,700
    From related orgs
    $0
    Other
    $7,700
    Hours/week
    25

  • Raphaele de Boisblanc

    General Manager

    Total calculated
    $17,532
    From this org
    $8,766
    From related orgs
    $0
    Other
    $8,766
    Hours/week
    10

Compensation is as filed in Part VII: reportable pay from this organization and from related organizations, other compensation, and hours per week. The total, marked calculated, is our sum of the three dollar columns, with a blank column counted as $0; the form itself has no total. On a Form 990-EZ the columns are Part IV's instead, and on a Form 990-PF Part VIII's — compensation, contributions to benefit plans, and expense account — and the total sums those. Earlier years are each on their own filing page.

Filings

  • 2025
    Revenue
    $55,027
    Expenses
    $97,665
    Contributions
    $52,310
    Grants paid
    $0
  • 2024
    Revenue
    $230,111
    Expenses
    $186,687
    Contributions
    $128,493
    Grants paid
    $0
  • 2023
    Revenue
    $148,414
    Expenses
    $145,418
    Contributions
    $118,317
    Grants paid
    not reported
  • 2022
    Revenue
    $68,830
    Expenses
    $82,628
    Contributions
    $61,774
    Grants paid
    not reported

The four totals the IRS asks for on Part I of the Form 990, as filed. A dash means the figure was not present on the return — not that it was zero.

Other returns filed

  • 2021 · 990-EZ

    Revenue
    $89,332
    Expenses
    $75,487
    Assets (EOY)
    $32,226

Nonprofiteer parses Forms 990, 990-EZ and 990-PF, in a window of recent tax years. These returns are recorded from the IRS e-file index, so their figures were extracted by that index rather than read from the return here — treat them as a different source from the filings above, not as more of the same record. A dash means the index carries no figure; Form 990-T listings carry none at all.

Form 990-N e-Postcard, tax year 2013

Tax period
1 January 2013 to 31 December 2013
Principal officer
James Blachly
Mailing address
375 Riverside Drive Apt 10ENew York NY 10025
Website
www.sheepislandensemble.com

As filed, from the IRS e-Postcard file of 19 October 2026. The IRS publishes only each organization's most recent postcard, so earlier years are not shown. A 990-N carries no financial detail. The postcard also gives the principal officer's address, which is not shown here.

Grants made

No itemized grants to organizations. Schedule I is filed only by organizations that granted more than $5,000 to a recipient, so most filers have none.

Grants received

Other IRS files

Auto-Revocation List

Not listed. The IRS publishes this list for organizations whose exemption was automatically revoked for failing to file for three consecutive years.

Publication 78

Listed as of 13 October 2026, under deductibility PC.

These are two separate IRS files on two separate schedules, shown as published and not reconciled with each other. Neither is a statement about whether a contribution is deductible today: 19,245 organizations appear in Publication 78 while the IRS's own revocation file lists them as currently revoked, more than half of those revoked before 2019. Absence from Publication 78 is evidence of nothing, and presence is not evidence either. Verify current status with the IRS before relying on it.

What this page reflects

The registration facts above come from the IRS Business Master File published 13 October 2026 and read 26 October 2026, for every organization at once. Returns through tax year 2025, the newest we have parsed for this organization.