Sean rocks’ beguiling account of the arrival of blues and soul music in the Emerald Isle (1 August) began at St James’ Church, Dingle, with a résumé of the concert played there in 2006 by Amy Winehouse. By appearing in front of 80 people on a December night on the west coast of Kerry, Winehouse was contributing to a trad­ition that went back as far as the early 1960s, involving tours by everyone from Dusty Springfield to American blues musicians such as Champion Jack Dupree and Mississippi Fred McDowell.What brought them there? Early post-war Ireland, as one interviewee, Fr Brian D’Arcy, explained, was “a very backward place”. At the same time its network of parish halls offered thousands of potential venues, each of them crammed to the raft