A Certain Ratio (abbreviated as ACR) are an English post-punk band formed in Greater Manchester in 1977 by Peter Terrell (guitar), Simon Topping (vocals, trumpet), Jez Kerr (bass guitar, vocals), Martin Moscrop (trumpet, guitar) and Donald Johnson (drums), with Martha Tilson (vocals) joining soon after. One of the first indie groups to draw heavy influence from funk as well as disco and Latin percussion, the band were among the first to debut on Tony Wilson's Factory Records in 1979 with... [more on Wikipedia]