Simplify the following text for a Grade 10 native English-speaking person.
Original: Other instruments that might be in a Boeremusiek band would be piano accordions , button harmonicas , accordions , pianos , harmoniums and the guitar , and sometimes , a cello or bass guitar may be seen .
Simplified: Other instruments that might be in a Boeremusiek band are piano accordions , button harmonicas , accordions , pianos , harmoniums and the guitar . Sometimes , a cello or bass guitar may be seen .