Gustavo Santaolalla's "That's It" evokes the Beat movement: it has uncontainable energy, percussive piano and the feel of Jack Kerouac's signature run-on sentences. That's appropriate, as Santaolalla is scoring On the Road, the new film based on Kerouac's seminal novel.

"'That's It' is played in a club by a band that is supposed to be from that time," Santaolalla tells Rolling Stone." Dean talks to Sal about how the tenor sax player achieves or reaches 'it' in his solo."
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