Sometimes they had guest musicians performing on their albums and live shows, such as Sakari Kukko (saxophone) and Kimmo Kajasto (synth).
Petri Lindroos | Islote de Sancti Petri | Michala Petri | Petri Nygård | Petri Kuljuntausta | Petri Hiltunen | Petri Aho | György Petri | Carl Adam Petri |