 Finally, in 1999, Collins won the top prize at the Clara Haskil International Piano Competition.Collins has performed with such orchestras as the Chicago Symphony Orchestra, Houston Symphony Orchestra, Royal Philharmonic Orchestra, and many others; with such conductors as Christoph Eschenbach, Hans Graf, Emmanuel Krivine, and others; with ensembles such as London Winds and the Aviv, Callino, Chilingirian, and other string quartets; and with such instrumentalists as Isabelle van Keulen, Gwendolyn Masin, Miriam Fried, and Anthony Marwood.In May 2005, RTÉ lyric fm released Collins's debut solo CD album, "Impromptu".