A:	because so many people switch instruments so often.
ʌ WORD_BOUNDARY b ɪ k ʌ z WORD_BOUNDARY s oʊ WORD_BOUNDARY m ɛ n i WORD_BOUNDARY p iː p ə l WORD_BOUNDARY s w ɪ t̠ʃ WORD_BOUNDARY ɪ n s t ɹ ə m ə n t s WORD_BOUNDARY s oʊ WORD_BOUNDARY ɔ f ə n WORD_BOUNDARY