In March 1964, Hendrix recorded the two-part single ” Testify ” with the Isley Brothers. Released in June, it failed to chart. In May, he provided guitar instrumentation for the Don Covay song, ” Mercy Mercy “. Issued in August by Rosemart Records and distributed by Atlantic , the track reached number 35 on the Billboard chart .
In March 1964, Hendrix recorded the two-part single ” Testify ” with
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