PH, formerly known as Mr. Peter Hayden , is a Finnish alternative metal band often filed under post-metal, spacerock or psychedelic doom. Group was formed in Kankaanpää, Finland in 2000. On their fourth album, Eternal Hayden, group begun to refer to themselves just by their logo, the PH-monogram, leading to confusion what the band should be called. Group is also part of the Wastement collective. During their existence they have toured Europe and played at Roadburn Festival, Roskilde Festival and Flow Festival to name a few. Read more on Last.fm