First recordings 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.: for the peak chart position of "Mercy Mercy"; : Hendrix played on "Mercy Mercy"; : Hendrix played on "Mercy Mercy"; : "Mercy Mercy" was recorded on May 18, 1964.
First recording.s 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.: for the peak chart position of "Mercy Mercy"; : Hendrix played on "Mercy Mercy"; : Hendrix played on "Mercy Mercy"; : "Mercy Mercy" was recorded on May 18, 1964.