"Practice What You Preach" is a landmark album by the legendary thrash metal band Testament, released in 1989. This CD showcases the band's evolution towards more melodic and progressive elements while retaining their aggressive roots. Featuring standout tracks like "Greenhouse Effect," "Sins of Omission," and the title track, this record highlights Testament's technical prowess and lyrical depth, addressing social and political themes with intensity. The production quality captures the raw energy that has made Testament a staple in heavy metal history. As one of the pioneers of Bay Area thrash, Testament has achieved critical acclaim with albums such as "The New Order" and "Souls of Black." Their influence on modern metal is undeniable, earning them a dedicated global fanbase.