Baceprot is a word from "too much talking" in sundanese language, sundanese are Sundanese tribe is one of hundreds of tribes in Indonesia, each tribe has its own regional language, but all of them must use one language namely BAHASA INDONESIA
People act as though Pisces was their only or most important song, cause there is a vocal change out of nowhere. For this video in turn it's like "OH, they are GIRLS" - well 1. no shit sherlock, 2. they play well (the vocals are kinda poor in IMO but whatever) but are regarded as EVEN BETTER, cause, you know "girls", and they can play even though they're females :D