Background: The Temptations are an American vocal group who released a series of successful singles and albums with Motown Records during the 1960s and 1970s; their work with producer Norman Whitfield, which started with the Top 10 hit single "Cloud Nine" in October 1968, pioneered psychedelic soul, and was significant in the evolution of R&B and soul music. The band members are known for their choreography, distinct harmonies, and flashy wardrobe. Having sold tens of millions of albums, the Temptations are one of the most successful groups in music history. Featuring five male vocalists and dancers (save for brief periods with fewer or more members), the group formed in 1960 in Detroit, Michigan under the name The Elgins.
Context: In May 1971, the Temptations finally found a permanent replacement for the first tenor position in twenty-year-old Baltimore native Damon Harris. Otis Williams, Edwards, Franklin, Street, and Harris continued recording and performing, and Norman Whitfield continued producing hits for them. There were Top 40 hits such as "Superstar (Remember How You Got Where You Are)" (1971), a message from the Temptations to David Ruffin and Eddie Kendricks, and "Take a Look Around" (1972). During this period, the group toured with Quiet Elegance as their back-up singers. Quiet Elegance featured Lois Reeves, the sister of Martha Reeves, alongside Frankie Gearing and Millie Vaney-Scott.  Late 1972 saw the release of "Papa Was a Rollin' Stone", a magnum opus written by Norman Whitfield and Barrett Strong and produced by Whitfield. Originally a three-minute record written and produced for the Undisputed Truth, Whitfield took the somber tune and created a sprawling, dramatic twelve-minute version for the Temptations--a forerunner of the extended single, soon to become popular in clubs and discotheques. An edited seven-minute version was released as a single and became one of the longest hit singles in music history: it hit number 1 on the pop charts and number 5 on the R&B charts. In 1973, "Papa Was a Rollin' Stone" won the Temptations their second Grammy for Best R&B Performance by a Group. Whitfield and arranger/conductor Paul Riser won the award for Best R&B Instrumental Performance for the instrumental version on the B-side, and Whitfield and Barrett Strong won the songwriting Grammy for Best R&B Song.  After "Papa Was a Rollin' Stone", Whitfield stopped working with Barrett Strong, and began writing the Temptations' material on his own. The success of "Papa" led Whitfield to create more elongated, operatic pieces, including the Top 10 hit "Masterpiece" (1973) and several of the tracks on the resulting Masterpiece album. Tensions developed between Whitfield and the group, who found Whitfield arrogant and difficult to work with, and the group citing his habitual tardiness, his emphasis of the instrumental tracks at the expense of their vocals on many of his productions, and the declining singles and albums sales as other sources of conflict, sought to change producers. Otis Williams complained about Whitfield's actions and the Temptations' stagnant sales to Berry Gordy; as a result, the group was reassigned to Jeffrey Bowen, co-producer of the 1967 In a Mellow Mood album.  The final Norman Whitfield-produced Temptations album, 1990, was released in December 1973, and included the Top 30 single "Let Your Hair Down". Shortly afterwards, Whitfield left Motown, and in 1975 established Whitfield Records, taking the Undisputed Truth and Willie Hutch with him, along with Rose Royce---who performed an instrumental track for "Let Your Hair Down" before recording their 1976 smash "Car Wash."
Question: What else happened in the early 70s?

Answer:
Late 1972 saw the release of "Papa Was a Rollin' Stone",