Fleetwood Mac is one of those bands that loves to experiment with new sounds. Sometimes it works for them – such as the stylistic change they experienced with the addition of the two Americans in 1974 [guitarist Lindsey Buckingham and his then-girlfriend, Stevie Nicks] to a then-all British blues band. Other times the band experiments a little too much, such as they did with the addition of Bekka Bramlett in the 90′s due to the absence of singer Stevie Nicks.
Cool Water is the b-side to their hit 1982 single Gypsy from Mirage. Thankfully, it was left off the album. It’s stylistically more fitting for a Lindsey Buckingham album, not Fleetwood Mac.