Mark Tremonti's playing is basically progressing alternative Speed Metal with just a bit of blues, Spanish guitar and southern twang making surprise appearances.

Alter Bridge: Myles Kennedy's voice is essentially hard rock wailing a la Robert Plant, grunge breathiness with a hint of soul.

The Mavericks, a Cuban-American band from Florida, are what you'd get if you took mariachi, polka, zydeco, and early rock-and-roll, and processed it through Phil Spector's Wall of Sound.

New Kingdom: Psychedelic Rock, Jazz, Funk, Soul, Hip-Hop and poetry thrown into a blender.

This unique album in their catalogue was released as Concerto for Group and Orchestra and was in fact their first Live Album!

Deep Purple is a hard rock band, no question about it, but in 1969 they performed along with the London Symphony Orchestra under conduction of Malcolm Arnold.

Resulting in jazzy raps, intercut with chants, about mustaches.

Blackmahal: An outfit that mixes up traditional Punjabi bhangra, jazz, 70s/80s-styled hip-hop, and funk.

King Krule's sound combines punk jazz (an actual genre), soul, indie rock, darkwave, and rap.

Atheist, a Technical Death Metal band, combines Death Metal with Latin music and Jazz.

Garbage: Most of their material is a melting pot of Industrial, Power Pop, Grunge, Electronic chill, Goth Rock, and Hip-Hop.

The Seatbelts were a dream band fronted by Kanno, formed for the express purpose of making the Cowboy Bebop soundtrack, and they lived and breathed this trope. All forms of music are mixed together at her whim.

Best music mashups on itunes