Easy!!!! EDC (the riff) CEGE (the riff) CAAAAA AABAG (the riff) EGGGA (the riff) CEGE (the riff) CAAAAA AABAG (the riff).
Its strucural adaptation is its hammer on its head to attack its predator
Riff was the orange dinosaur.
Try Black Sabbath's NIB (main riff), Iron Man (main riff), Black Sabbath (opening riff) Candlemass' Solitude (main riff, second riff) Deep Purple's Space Truckin' (main riff, chorus riff), Black Night (all) Dio's Holy Diver (opening riff) Danzig's Twist of Cain (opening riff; it's easy but fast)
the strucural adaptations are they curl up into a ball and it has leathery skin
I Like to Riff was created in 1978.
Rhythm in a Riff was created in 1947.
Riff Markowitz was born in 1938.
Borkum Riff was created in 1969.
no, false
Diamond in the Riff was created in -2008-07.
yes a riff in music can be sung for sure