Guess the Riff Tuesday #gtrtuesday #guitarist #guitar #popmusic #fun #70s #nostalgia

Subscribe for weekly challenges :) Do you remember this classic riff? Guess the Riff Tuesday #gtrtuesday #guitarist #guitar #popmusic #fun #70s #nostalgia Spoiler answer: Mamma Mia Abba @AdiHughesGuitar Adi Hughes #guitarteacher​ #guitarist​ #rgt​