Actually listening to a Robert Johnson album, I was surprised to discover a some Zeppelin rifs were taken from him. Its not the same though (Robert Johnson is a

Actually listening to a Robert Johnson album, I was surprised to discover a some Zeppelin rifs were taken from him. Its not the same though (Robert Johnson is a hard listen.). Blues is slightly harder as the chord progression is similar across songs, similar scales. Its seams that sometimes they gave writing credit to the original song writer, sometimes not. (Songwriters get paid per radio play, which mattered a lot before streaming..) Wikipedia has a list of Zepplin song "inspired by others": with a list of listed song writing credits. https://en.wikipedia.org/wiki/List_of_Led_Zeppelin_songs_written_or_inspired_by_others https://en.wikipedia.org/wiki/List_of_Led_Zeppelin_songs_wri... The Beatles covered a lot of songs in the early days. (I think they must have paid royalties). https://en.wikipedia.org/wiki/List_of_songs_covered_by_the_Beatles https://en.wikipedia.org/wiki/List_of_songs_covered_by_the_B...