This is what is called a LEAD SHEET....the ensemble backing the solo is the QUARTET....piano, bass, drums and horn....just the way JAZZ FAKE BOOKS are...
↪ Maybe you could replace "Jazz quartet" by "lead sheet" instrumentation, that are listed at http://www.free-scores.com/free-sheet-music.php?instrument_ID=7142&CATEGORIE=999&ordrepar=clicks