Complex sentence: Suicide Silence made a surprise appearance at the 11th annual New England Metal and Hardcore Festival and played the song "Wake Up" and on June 1,2009, the band uploaded the song onto their official merch page for streaming.
Split into simpler sentences: Suicide Silence made a surprise appearance at the 11th annual New England Metal and Hardcore Festival and played the song "Wake Up". On June 1,2009, the band uploaded "Wake Up" song onto their official merchandise page for streaming.