Since 2019, Jemma has been playing keyboard and backing vocals for Maximo Park, playing and singing on their albums 'Nature Always Wins' (which went to no.2 in the charts) and 'Stream Of Life',  plus 6 UK tours, 3 EU tours, an Australia tour and a plethora of festivals including Kendal Calling, Y Not, Neighbourhood Weekender, Mad Cool, Latitude, TRNSMT and Live At Leeds. She has also performed on TV with the band and done a live Radio X session with them.