Some context: Chayefsky was born in The Bronx, New York City to Russian Jewish immigrants Harry and Gussie Stuchevsky Chayefsky who came from Moscow to New York in 1907. He had two older brothers, William and Isidor. He spent part of his youth in Mount Vernon, New York.
Returning to the United States, Chayefsky worked in his uncle's print shop, Regal Press, an experience which provided a background for his later teleplay, Printer's Measure (1953), as well as his story for the movie As Young as You Feel (1951). Kanin enabled Chayefsky to spend time working on his second play, Put Them All Together (later known as M is for Mother), but it was never produced. Producers Mike Gordon and Jerry Bressler gave him a junior writer's contract. He wrote a story, The Great American Hoax, which sold to Good Housekeeping but was never published.  He relocated to Hollywood, where he met his future wife Susan Sackler, and the couple married in February 1949. Failing to find work on the West Coast, Chayefsky returned to New York.  During the late 1940s, he began working full-time on short stories and radio scripts, and during that period, he was a gagwriter for radio host Robert Q. Lewis. Chayefsky later recalled, "I sold some plays to men who had an uncanny ability not to raise money." During 1951-52, Chayefsky wrote adaptations for radio's Theater Guild on the Air: The Meanest Man in the World (with James Stewart), Cavalcade of America, Tommy (with Van Heflin and Ruth Gordon) and Over 21 (with Wally Cox).  His play The Man Who Made the Mountain Shake was noticed by Elia Kazan, and his wife, Molly Kazan, helped Chayefsky with revisions. It was retitled Fifth From Garibaldi but was never produced. In 1951, the movie As Young as You Feel was adapted from a Chayefsky story.
what did he do in the print shop?
A: an experience which provided a background for his later teleplay,
Some context: The Undertones are a punk rock/new wave band formed in Derry, Northern Ireland, in 1974. From 1975 to 1983, the Undertones consisted of Feargal Sharkey (vocals), John O'Neill (rhythm guitar, vocals), Damian O'Neill (lead guitar, vocals), Michael Bradley (bass, vocals) and Billy Doherty (drums). Much of the earlier Undertones material drew influence from punk rock and new wave; the Undertones also incorporated elements of rock, glam rock and post-punk into material released after 1979, before citing soul and Motown as the influence for the material released upon their final album. The Undertones released thirteen singles and four studio albums between 1978 and 1983 before Sharkey announced his intention to leave the band in May 1983, citing musical differences as the reason for the break up.
By 1977 the band were performing their own three-chord pop punk material, which was performed alongside cover versions at concerts, primarily at The Casbah, where the band began to perform in February. The Undertones had occasionally earned money at venues where they had performed throughout 1976, but these gigs at The Casbah were the first performances for which the Undertones were paid on a regular basis, as performing at The Casbah earned the group up to PS40 a week. This inspired the band to write and rehearse further material, as a means of remaining a popular act at this venue. By mid-year, the concerts the Undertones performed would include the song "Teenage Kicks", which had been written by guitarist John O'Neill in mid-1977. The gigs performed at The Casbah gave the Undertones increased confidence in their musical ability, and in June 1977 they performed concerts outside Derry for the first time, supporting a Dublin punk group named The Radiators from Space.  In March 1978, the Undertones recorded a demo tape at Magee University in Derry and sent copies of the tape to various record companies in the hope of securing a record deal, but only received official letters of rejection. The band had also sent a copy of their recordings to influential BBC Radio 1 DJ John Peel, requesting he play the songs on his radio programme. Peel replied to the band, offering to pay for a recording session in Belfast. On 16 June 1978, the band recorded their debut four-song EP "Teenage Kicks" on a budget of only PS200. The EP was engineered by Davy Shannon at Wizard Sound Studios, Belfast - and was released on Belfast's Good Vibrations record label. The title song became a hit with support from John Peel, who considered Teenage Kicks his all-time favourite song, an opinion he held until his death in 2004.  Seymour Stein, the president of Sire Records - in London on business - heard John Peel play "Teenage Kicks" on BBC Radio 1 and became interested in the band. Stein sent a London-based representative named Paul McNally to Derry to discuss a record deal with the band. McNally saw the band play live in what would ultimately prove to be their final performance at The Casbah on 29 September 1978. The following day, McNally convened with the Undertones to discuss a record contract. Three members of the band signed the proposed contract on this date, with the understanding that Feargal Sharkey and Michael Bradley would discuss negotiations to the contract with Seymour Stein in person in London.
What songs did they perform?
A:
By mid-year, the concerts the Undertones performed would include the song "Teenage Kicks",