Question: Special Generation sang heart felt harmonic background vocals on several MC Hammers hit releases like which track considered to be Hammer's signature song and is his most successful single?

<P0-S0> "U Can't Touch This" is a song co-written, produced and performed by MC Hammer from his 1990 album "Please Hammer, Don't Hurt 'Em". <P0-S1>  The track is considered to be Hammer's signature song and is his most successful single. <SEP> <P1-S0> "Achy Breaky Heart" is a country song written by Don Von Tress. <P1-S1>  Originally titled "Don't Tell My Heart" and performed by The Marcy Brothers in 1991, its name was later changed to "Achy Breaky Heart" and performed by Billy Ray Cyrus on his 1992 album "Some Gave All". <P1-S2>  As Cyrus' debut single and signature song, it made him famous and has been his most successful song. <P1-S3>  It became one of the first singles ever to achieve triple Platinum status in Australia and also 1992's best-selling single in the same country. <P1-S4>  In the United States it became a crossover hit on pop and country radio, peaking at number 4 on the "Billboard" Hot 100 and topping the Hot Country Songs chart, becoming the first country single to be certified Platinum since Kenny Rogers and Dolly Parton's "Islands in the Stream" in 1983. <P1-S5>  The single topped in several countries, and after being featured on "Top of the Pops" in the United Kingdom, peaked at number 3 on the UK Singles Chart. <P1-S6>  It remains Cyrus's biggest hit single in the U.S. to date, and his only one to reach the top 10 of the "Billboard" Hot 100. <P1-S7>  Thanks to the video of this hit, there was the explosion of the line dance into the mainstream, becoming a craze. <P1-S8>  The song is considered by some as one of the worst songs of all time, featuring at number two in VH1 and "Blender"'s list of the "50 Most Awesomely Bad Songs Ever." <SEP> <P2-S0> Special Generation was an American new jack swing/urban R&B quintet that was the brainchild of M.C. Hammer. <P2-S1>  The group members are Lead singer Maquet Robinson, Kendrick Washington, Fernando Carter, Charles Salter and Maurice Dowdell. <P2-S2>  The group sang heart felt harmonic background vocals on several MC Hammers hit releases from the 90's (such as "U Can't Touch This", "Help the Children" and "Have You Seen Her"), before becoming major recording artists in their own right in early 1990. <P2-S3>  That same year, their debut album, "Take It To The Floor" which was released off of Hammer's Bust it / Capitol Records label, debuted their first song "Love me just for me " which climbed the charts with a bullet for 21 weeks and finally went gold, their debut album was released and did well in the music/recording industry due in part to the popular ballad "Love Me Just For Me" (peaked at #04 on the "Billboard" Hot 100 in December 1990) and a follow up mid-tempo R&B Top Ten Hit "Spark of Love". <P2-S4>  Special Generation went on in 1992 to release there sophomore album entitled "Butterflies" in which the group recorded hit singles with Troop member Steven Russell whom produced and sang on the album, <SEP> <P3-S0> "Super Freak" is a 1981 single produced and performed by Rick James. <P3-S1>  The song, co-written by James and Alonzo Miller, was first released on James' album "Street Songs" and became one of James' signature songs. <P3-S2>  It features background vocals from Motown labelmates The Temptations—in which the bass singer is James' uncle Melvin Franklin—and Canadian singer Taborah Johnson. <P3-S3>  "Freak" is a slang term for a very promiscuous girl, as described in the song's lyrics, "...a very kinky girl / The kind you don't take home to mother". " <P3-S4> Rolling Stone" magazine ranked the song #477 in its list of the 500 Greatest Songs of All Time. <P3-S5>  Nine years later, MC Hammer's 1990 hit "U Can't Touch This" sampled it. <P3-S6>  The song was nominated for the Grammy for Best Male Rock Vocal Performance at the 1982 Grammys.