The idea of blending cool jazz with heavy rock, melding “I Can See for Miles” with a touch of Miles Davis, may sound like novelty shtick—and it almost is, except that the Jazz Punks pull it off without a hitch. The proficient Los Angeles band shifts easily between tempi and heaviosity, from bebop to punk in a flash, melding distant genres into something that makes sense apart from its “gee-whiz” value. Smashups is the perfect gift for rock fans who say they don't like jazz. Whether jazzbos who don't like rock will dig it is anybody's guess.