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Upon release, Wake Up...It's Tomorrow failed to chart, though it is considered Strawberry Alarm Clock's apex of musical creativity, as the band members were free to pen the majority of the album's material. The pop-oriented song "Tomorrow" preceded the release of the album, earning the group their second and final Top 40 hit. An additional follow-up single, "Sit with the Guru", also charted on the Billboard Hot 100.
Background
Prior to recording, bassist Gary Lovetro departed after being bought out for $25,000, leaving the position solely to George Bunnell. Regarding Lovetro's exit, keyboardistMark Weitz explained, "Even though he was one of the original members , we felt his interest in the band was more business-oriented than contributing musically. Sometimes guitarist Ed King had to do the bass parts in the studio for Gary. He just didn't have enough talent to conceive a good original bass part". Also virtually absent from Wake Up...It's Tomorrow was songwriter and occasional instrumentalist Steve Bartek, who was never an official member of Strawberry Alarm Clock, but played a pivotal role as a co-writer with Bunnell. However, Bartek was unable to formally join the fold and only penned one track, "Sitting on a Star", before excusing himself from any further involvement in the group.
Record sessions were conducted in the technologically-advanced TTG Studios, with Uni Records more supportive of the band financially. The group's recording experience from their debut album enhanced their ability to work cohesively as songwriters and arrangers. As a result, all of Wake Up...It's Tomorrow's material was completed in studio, with a willingness to experiment with their repertoire. After the release of "Incense and Peppermints" did not credit Weitz and guitaristEd King as the composers, the two aimed to validate their abilities as accomplished songwriters, which led to varying ideas from the two members. Included was The Association-inspired vocal harmonies organized by vocal coach, Howard Davis, exotic instrumental arrangements and a retention of Strawberry Alarm Clock's lighter pop numbers, testifying to their eclecticism, but also hindering the possibility of a unified sound. The group began to factionalize according to their musical tastes, with King and rhythm guitarist Lee Freeman branching off from Weitz and drummer Randy Seol to write their own compositions.
Upon release, Wake Up...It's Tomorrow failed to chart nationally. However, it was arguably the most polished album of the band's entire recording career. Singles "Tomorrow" and "Sit with the Guru" fared better on the Billboard Hot 100, where they charted at number 23 and number 65, respectively. The B-side "Pretty Song from Psych-Out" achieved wide exposure for being featured as the theme song in the film Psych-Out. King reasoned that distribution of the album came too late to capitalize on the success of "Tomorrow", and that it was poorly advertised by Uni Records. In part, it was a consequence of the band's manager, Bill Holmes, attempting to retain control of the group by refusing promotional assistance from Uni executives.