Par SCIAINO PETER. 'Bahumba' is a nonsense word but a no-nonsense selection for concert band. The word stems from a sound composer Peter Sciaino heard coming from an idling car. The engine, clearly having issues, had an 'uneven' gate or pulse. He mindlessly heard the word 'Bahumba' within the sounds emerging from the struggling motor. Just like an engine, an ensemble can attain a smooth groove eve…