Collin Country Singer is a term used to describe three popular country singers: Raye (4 letters), Oslin (5 letters), and Reba (4 letters). Raye is an American country music singer-songwriter who has released several albums since the early 2000s. K.T. Oslin is an American country music singer-songwriter who won the 1987 Grammy Award for Best Female Country Vocal Performance. Reba McEntire is an American singer, songwriter, actress, and record producer who has been active in the country music scene since the mid-1970s.