Thin Lizzy daughter. However, on 4 July 1979, Gary Moore abruptly left Thin Lizzy in the middle of another tour of the US. Years later, Moore said he had no regrets about walking out, "but maybe it was wrong the way I did it. I could've done it differently, I suppose. But I just had to leave." He subsequently pursued his solo career, releasing several successful albums. He had collaborated with Lynott and Downey on his 1978 album "Back on the Streets" and the hit single "Parisienne Walkways" before leaving Thin Lizzy, and in 1985 he and Lynott teamed up again on
Thin Lizzy Live at Sydney Harbour '78 English and Wha-Koo, though these acts do not appear on the CD or some of the video releases. Thin Lizzy did a morning sound check which extended to a jam of around 25 minutes for those who had arrived extra early for the concert. The band performed for an estimated crowd of 100,000 on the steps of the famous Sydney Opera House. The large crowd was due to the free entry for the concert. In 1988, the concert was produced in VHS format by Warner Vision as "Thin Lizzy Live at Sydney Harbour '78". It has since been re-released on