Complex sentence: Other ethnolinguistic groups such as Visayan, Bikol and Kapampangan, despite making music in their native languages, have not been recognized as OPM, except in unusual cases like the Bisrock (Visayan rock music) song "Charing" by Davao band, 1017.
Split into simpler sentences: Other ethnolinguistic groups such as Visayan, Bikol and Kapampangan, despite making music in their native languages, have rarely been recognized as OPM. Unusual cases includr the Bisrock (Visayan rock music) song "Charing" by Davao band, 1017.