Choral SAT Sheet Music:
1. JW Pepper: JW Pepper is one of the largest distributors of sheet music and has a vast selection of choral music, including L.A. mass. They offer sheet music in a variety of formats, including SATB and SAB.
2. Hal Leonard: Hal Leonard is another reputable publisher and distributor of sheet music. They offer several arrangements of L.A. mass for SAT and SAB.
3. Musicnotes: Musicnotes is an online platform that sells sheet music downloads. They have a wide range of choral music available, including L.A. mass. You can purchase individual pieces or entire collections.
4. Choral Music Plus: Choral Music Plus is an online retailer specializing in choral music. They offer a variety of arrangements of L.A. mass, including SATB, SAB, and TTBB.
Accomp Trax for L.A. Mass:
1. JW Pepper: In addition to sheet music, JW Pepper also sells accomp trax for many of the pieces they carry. They have accomp trax available for several L.A. mass arrangements.
2. Accompaniment Tracks Pro: Accompaniment Tracks Pro is an online platform that specializes in providing accomp trax for choral music. They have a variety of accomp trax available for L.A. mass, including tracks for SATB, SAB, and TTBB.
3. Musicnotes: Musicnotes also offers accomp trax downloads for choral music. They have a limited selection of accomp trax for L.A. mass, but it's worth checking out.
4. Sound of Creation: Sound of Creation is a music company that produces accomp trax for various instruments and genres. They have several accomp trax available for L.A. mass, including tracks for SATB and SAB.
When searching for choral SAT sheet music and accomp trax for L.A. mass, be sure to check multiple sources to compare prices and selections. You may also want to consider the difficulty level and duration of the pieces you're looking for to ensure they're appropriate for your choir.