What is the name of this chord?  A#/Bb - C - E?
sounds like C7. if the bass is on C then you can call it C7. if the bass is on F#, you can call it F#7b5. if the bass is on Ab, you can call it Abaug(add2). if the bass is on F, you can call if Fsus4maj7. if the bass is on B, you can give the charts back to the arranger with some