Fleetwood Mac wrote the song "Blue Letter" and was inducted into the Rock and Roll Hall of Fame in 1998.
"Blue Letter" is a song written by Michael Curtis and Richard Curtis that was first released by Fleetwood Mac on their 1975 album "Fleetwood Mac". 
 In 1998, selected members of Fleetwood Mac were inducted into the Rock and Roll Hall of Fame, and received the Brit Award for Outstanding Contribution to Music. 
