2009, November 27, , Jimi Hendrix's Voodoo Child has 'best guitar riff', Jimi Hendrix's Voodoo Child has been named the greatest guitar riff of all time, 41 years after it was recorded, in a poll by website Music Radar.
2012, The Economist, London Skyline: Tower PowerBoth the Orbit and the Pinnacle are riffs on an idea sketched out in 1917 by Vladimir Tatlin for a monument to international communism.
Verb
To improvise in the performance or practice of an art, especially by expanding on or making novel use of traditional themes.