Roots of Mark Knopfler

"Knockin' on Heaven's Door" is a song by the American singer-songwriter Bob Dylan, written for the soundtrack of the 1973 film Pat Garrett and Billy the Kid. Released as a single two months after the film's premiere, it became a worldwide hit, reaching the Top 10 in several countries. The song became one of Dylan's most popular and most performed post-1960s songs, spawning recordings by Eric Clapton, Guns N' Roses, Randy Crawford, and others.

Live at the Regal is a 1965 live album by American blues guitarist and singer B. B. King. It was recorded on November 21, 1964, at the Regal Theater in Chicago. The album is widely heralded as one of the greatest blues albums ever recorded and was ranked at number 141 in Rolling Stone's 2003 edition of the 500 Greatest Albums of All Time list, before dropping to number 299 in a 2020 revision. In 2005, Live at the Regal was selected for permanent preservation in the National Recording Registry at the Library of Congress in the United States.