Question: William Thomson, 1st Baron Kelvin,  (26 June 1824 - 17 December 1907) was a Scots-Irish mathematical physicist and engineer who was born in Belfast in 1824. At the University of Glasgow he did important work in the mathematical analysis of electricity and formulation of the first and second laws of thermodynamics, and did much to unify the emerging discipline of physics in its modern form. He worked closely with mathematics professor Hugh Blackburn in his work.

Though now eminent in the academic field, Thomson was obscure to the general public. In September 1852, he married childhood sweetheart Margaret Crum, daughter of Walter Crum; but her health broke down on their honeymoon and, over the next seventeen years, Thomson was distracted by her suffering. On 16 October 1854, George Gabriel Stokes wrote to Thomson to try to re-interest him in work by asking his opinion on some experiments of Michael Faraday on the proposed transatlantic telegraph cable.  Faraday had demonstrated how the construction of a cable would limit the rate at which messages could be sent - in modern terms, the bandwidth. Thomson jumped at the problem and published his response that month. He expressed his results in terms of the data rate that could be achieved and the economic consequences in terms of the potential revenue of the transatlantic undertaking. In a further 1855 analysis, Thomson stressed the impact that the design of the cable would have on its profitability.  Thomson contended that the signalling speed through a given cable was inversely proportional to the square of the length of the cable. Thomson's results were disputed at a meeting of the British Association in 1856 by Wildman Whitehouse, the electrician of the Atlantic Telegraph Company. Whitehouse had possibly misinterpreted the results of his own experiments but was doubtless feeling financial pressure as plans for the cable were already well under way. He believed that Thomson's calculations implied that the cable must be "abandoned as being practically and commercially impossible."  Thomson attacked Whitehouse's contention in a letter to the popular Athenaeum magazine, pitching himself into the public eye. Thomson recommended a larger conductor with a larger cross section of insulation. However, he thought Whitehouse no fool and suspected that he might have the practical skill to make the existing design work. Thomson's work had, however, caught the eye of the project's undertakers and in December 1856, he was elected to the board of directors of the Atlantic Telegraph Company.

Using a quote from the above article, answer the following question: What happened on their honeymoon?
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Answer: 

Problem: 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.

When was their second concert at the Casbah?

Answer with quotes:
The Casbah were the first performances for which the Undertones were paid on a regular basis,