Problem: James Todd Smith (born January 14, 1968), known professionally as LL Cool J (short for Ladies Love Cool James), is an American rapper, actor, author and entrepreneur from Queens, New York. He is known for such hip hop hits as "Going Back to Cali", "I'm Bad", "The Boomin' System", "Rock the Bells" and "Mama Said Knock You Out", as well as romantic ballads such as "Doin' It", "I Need Love", "Around the Way Girl" and "Hey Lover".

Radio was released to critical acclaim, both for production innovation and LL's powerful rap. Released November 18, 1985, on Def Jam Recordings in the United States, Radio earned a significant amount of commercial success and sales for a hip hop record at the time. Shortly after its release, the album sold over 500,000 copies in its first five months, eventually selling over 1 million copies by 1988, according to the Recording Industry Association of America. Radio peaked at number 6 on the Top R&B/Hip-Hop Albums chart and at number 46 on the Billboard 200 albums chart. It entered the Top R&B/Hip-Hop Albums chart on December 28, 1985, and remained there for forty-seven weeks, while also entering the Pop Albums chart on January 11, 1986. Radio remained on the chart for thirty-eight weeks. By 1989, the album had earned platinum status from the Recording Industry Association of America (RIAA), after earning a gold certification in the United States on April 14, 1986, with sales exceeding one million copies. "I Can't Live Without My Radio" and "Rock the Bells" were singles that helped the album go platinum. It eventually reached 1,500,000 in US sales. With the breakthrough success of his hit single "I Need a Beat" and the Radio LP, LL Cool J became one of the first hip-hop acts to achieve mainstream success along with Kurtis Blow and Run-D.M.C.. Gigs at larger venues were offered to LL as he would join the 1986-'87 Raising Hell tour, opening for Run-D.M.C. and the Beastie Boys. Another milestone of LL's popularity was his appearance on American Bandstand as the first hip hop act on the show, as well as an appearance on Diana Ross' 1987 television special, Red Hot Rhythm & Blues. The album's success also helped in contributing to Rick Rubin's credibility and repertoire as a record producer. Radio, along with Raising Hell (1986) and Licensed to Ill (1986), would form a trilogy of New York City-based, Rubin-helmed albums that helped to diversify hip-hop. Rubin's production credit on the back cover reads "REDUCED BY RICK RUBIN", referring to his minimalist production style, which gave the album its stripped-down and gritty sound. This style would serve as one of Rubin's production trademarks and would have a great impact on future hip-hop productions. Rubin's early hip hop production work, before his exit from Def Jam to Los Angeles, helped solidify his legacy as a hip hop pioneer and establish his reputation in the music industry.

Who else was he featured on

Answer with quotes: Radio, along with Raising Hell (1986) and Licensed to Ill (1986), would form a trilogy of New York City-based, Rubin-helmed albums that helped to diversify hip-hop.

Problem: Buffalo Springfield was a Canadian-American rock band active from 1966 to 1968 whose most prominent members were Stephen Stills, Neil Young, and Richie Furay. The band released three albums and several singles, including "For What It's Worth". The band combined elements of folk and country music with British invasion and psychedelic-rock influences, and, along with the Byrds, were part of the early development of folk-rock. With a name taken from a brand of steamroller, Buffalo Springfield formed in Los Angeles in 1966 with Stills (guitar, keyboards, vocals), Dewey Martin (drums, vocals), Bruce Palmer (electric bass), Furay (guitar, vocals), and Young (guitar, harmonica, piano, vocals).

Neil Young and Stephen Stills met in 1965, at the Fourth Dimension in Thunder Bay, Ontario. Young was there with the Squires, a Winnipeg group he had been leading since February 1963, and Stills was on tour with The Company, a spin-off from the Au Go Go Singers. When Stills' band broke up at the end of that tour, he moved to the West Coast, where he worked as a session musician and auditioned unsuccessfully for, among other bands, the Monkees. Told by record producer Barry Friedman there would be work available if he could assemble a band, Stills invited fellow Au Go Go Singers alumnus Richie Furay and former Squires bass player Ken Koblun to come join him in California. Both agreed, although Koblun chose to leave before very long and joined the group 3's a Crowd. In early 1966 in Toronto, Young met Bruce Palmer, a Canadian who was playing bass for a group called the Mynah Birds. In need of a lead guitarist, Palmer invited Young to join the group, and Young accepted. The Mynah Birds were set to record an album for Motown Records when their singer Ricky James Matthews--James Ambrose Johnson, Jr., later known as Rick James--was tracked down and arrested by the U.S. Navy for being AWOL. With their record deal canceled, Young and Palmer headed for Los Angeles, where they encountered Stills. Drummer Dewey Martin, who had played with garage rock group the Standells and country artists such as Patsy Cline and the Dillards, joined at the suggestion of the Byrds' manager, Jim Dickson. The group's name was taken from a brand of steamroller made by the Buffalo-Springfield Roller Company. The new group debuted on April 11, 1966, at The Troubadour in Hollywood. A few days later, they began a short tour of California as the opening act for the Dillards and the Byrds.

When did they make their debut?

Answer with quotes:
The new group debuted on April 11, 1966, at The Troubadour in Hollywood.