The Bobs have left an indelible impression since their formation as a new wave a cappella group 20 years ago. "Coaster" swerves into the 21st century, with the same wanton desire to corrupt the minds of all who listen that have characterized the Bobs' previous nine recordings. Musically, of course, the membership ­ Matthew, Richard, Joe and Amy ­ are exceedingly qualified, more than might be suggested by such lyrical perversions as "keeps me warm at night/she's like a fire, she's like a tire" ("Rubber Girl") and "rising from my coffin/for coffee and a muffin" ("Drive Time Blues"), while walking the high wire between classical, jazz, rap and rock. There's even an accompanied pop tune ­ "Believe In Love" ­ that sets aside the musical malfeasance in favor of an unabashedly sincere performance by Joe Bob. The addition of Amy's wickedly mischievous contributions such as "Bring To Boil" and "Fluffy's Master Plan For World Domination" show that the Bobs had better not plan on retiring any time soon.

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