Staind is an American rock band that was formed in 1995 in Springfield, Massachusetts. For 17 years, the band consisted of lead vocalist and rhythm guitarist Aaron Lewis, lead guitarist Mike Mushok, bassist Johnny April, and drummer Jon Wysocki (who left in May 2011). To date, the band has recorded seven studio albums: Tormented (1996), Dysfunction (1999), Break the Cycle (2001), 14 Shades of Grey (2003), Chapter V (2005), The Illusion of Progress (2008), and their self-titled album (2011). The band has had five chart-topping singles and sold over 15 million records worldwide.