Simplify the following text for a Grade 13 native English-speaking person.
Original: Townshend is the primary songwriter for The Who , having written well over one hundred songs for the band 's eleven studio albums , including concept albums and the rock operas Tommy and Quadrophenia , plus popular rock and roll radio staples like Who 's Next , and dozens more that appeared as non-album singles , bonus tracks on reissues , and tracks on rarities compilations like Odds & Sods . He has also written over one hundred songs that have appeared on his solo albums , as well as radio jingles and television theme songs .
Simplified: Townshend is the primary songwriter for The Who and has written over one hundred songs for the band 's eleven studio albums including the rock operas `` Tommy '' and `` Quadrophenia '' and the popular rock radio staple `` Who 's Next . ''