Originally posted by wulf
Why are they definitely not melodies? I'd argue that they are melodies, certainly not according to the Oxford Dictionary definition. They may be nothing to do with the vocal line but if people go away singing them, they're definitely melodies associated with the song.
Wulf
In one song the guitar riff or bassline may not be the melody, i think that whats bruce was trying to say, however the bass line or guitar riff can be the melody, it just depends on the song i guess.