Complex sentence: Alan Gilsenan directed a full length biography of Liam Clancy, which was released at the 2009 Dublin Film Festival,' and includes appearances by Pete Seeger, Jean Ritchie, Bob Dylan, Oscar Brand, Odetta, Josh White, and many others.
Split into simpler sentences: Alan Gilsenan directed a full length biography of Liam Clancy,'. This was released at the 2009 Dublin Film Festival and includes appearances by Pete Seeger, Jean Ritchie, Bob Dylan, Oscar Brand, Odetta, Josh White, and many others.