If Four Was OneAmazon. com With such a uniquely brilliant concept behind them, this quartet's success is ensured even before they go into a studio. Their only weapons: three eclectic electric guitarists (Charlie Hunter, John Schott, Will Bernard), one drummer (Scott Amendola), and the songs of Thelonious Monk, James Brown, and Rahsaan Roland Kirk. No matter whose tune they're playing, they seem to combine the approaches of all three simultaneously: Monk's curiosity,