There is more than one artist with this name:
1) Partisans are a punk band.
2) Partisans are a Modern Jazz band from London comprising of
Phil Robson - Guitars
Julian Siegel - Saxophones + Bass Clarinet
Thaddeus Kelly - Bass
Gene Calderazzo - Drums
Official Site
3) Partisans are a Ottawa-based indie band comprising of
Chase Patterson - Bass Guitar and Backup Vocals
Mitch Labrosse - Lead Guitar and Vocals
Nick Evans - Drums and Backup Vocals