who wrote the music for the Andrew Sisters?

Answer 1

Some boogie, woogie, bugle boy over in Company B (Arranged by Stephen Bulla Published by Hal Leonard)
The Andrews Sisters: Chattanooga Choo Choo (Edited by Bob Dingley, music by Harry Warren, arranged by Mac Huff, performed by The Andrews Sisters. Octavo for SSA choir and piano accompaniment. With chord names. Series: Pop choral octavo (SSA). 12 pages. Published by Alfred Publishing. (AP.T3200CC2)

The answer is: "Various". Check the link, good luck, sister!