I love Weird Fishes/Arpeggi by Radiohead because both Jonny and Ed start off doing the same thing, then Jonny switches to a whole other time signature and it becomes this wild, swaying, interlocking two riffs that dance around each other... even better live when he embellishes a bit like in this performance...
https://www.youtube.com/watch?v=nvaHxCw0zqc
Community Manager for Jagex
There is a light that never goes out - The Smiths
https://youtu.be/ccj1bMOsyac
I'd forgotten all about this!
The Smiths have some great riffs courtesy of Johnny Marr, this is probably my favourite:
How Soon Is Now?
https://www.youtube.com/watch?v=4PIi1LWkfDE
Who's the cat that won't cop out when there's danger all about?