They ventured into psychedelic rock in 1967 with "Quando Si Alza Il Vento", also recorded in English as "When the Wind Arises", and recorded a version of The Equals' UK hit "Baby Come Back" ("Non c'รจ Pace Per Me").
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The song was heard by American record producers P. F. Sloan and Steve Barri, and successfully recorded by them with The Grass Roots.
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In June 1963, they broke their ties with Hicks and were signed up by Teddy Reno, the manager and husband of Italian pop singer Rita Pavone.