Natural Force
 Natural Force (released as It's a Heartache in the USA) is the second album from the Welsh singer Bonnie Tyler. Released in 1978 the album contains one of Tyler's biggest hits It's a Heartache. Another highlight on the album was the cover version of (You Make Me Feel Like) A Natural Woman a 1967 single by Aretha Franklin.Based on the success of It's a Heartache the album led many to believe that Tyler was a country singer. Natural Force is also regarded as her most countrified album.