3 + 3 is a 1973 album released by The Isley Brothers for the Epic label under their T-Neck imprint. Their first album for the label after several years in Buddah Records , it was also the first time the family group, which had consisted of founding members O'Kelly Isley, Jr. , Rudolph Isley and Ronald Isley , included six members instead of the standard three.
Although they had performed on Isley Brothers albums since 1969's It's Our Thing , this was the first album where younger brothers Ernie and Marvin and in-law Chris Jasper were now known as Isley Brothers members starting a period where the brothers would only be part of the musical and production department. The success of the album is contributed to their first Top 10 pop record since " It's Your Thing ", with their own cover of the self-penned "Who's That Lady", now re-titled " That Lady, Pt. 1 & 2 ".
Other hit singles included the top five R B single, "What It Comes Down To", and their cover of Seals & Crofts ' folk hit, "Summer Breeze", which was also a top ten R B single. The album became their first platinum album.