Question: What singer, who originally sang a song included as the third single in Mel McDaniel's 1980 album "I'm Countryfied" had the nickname "Gentle Giant"?
Related documents: [0]  [DOC] Don Williams (born Donald Ray Williams; May 27, 1939 – September 8, 2017) was an American country singer, songwriter, and 2010 inductee to the Country Music Hall of Fame. He began his solo career in 1971, singing popular ballads and amassing 17 number one country hits. His straightforward yet smooth bass-baritone voice, soft tones, and imposing build earned him the nickname: "Gentle Giant" of country music. [END] 
[1]  [DOC] "Louisiana Saturday Night" is a song written by Bob McDill and recorded by American country music artist, Mel McDaniel. It was released in March 1981 as the third single from McDaniel's 1980 album, "I'm Countryfied". The song was originally sung by Don Williams. The song is often mistakenly attributed to popular country music bands Alabama (band) and the Nitty Gritty Dirt Band. Adding to the confusion, Tom. T Hall wrote an earlier, unrelated song by the same name. Hall's "Louisiana Saturday Night" was recorded by Mamou, Louisiana's Jimmy C. Newman in 1967. [END] 
Answer: 
Don Williams
Don Williams