Christmas Spirit (Donna Summer album) "Christmas Is Here" and "Lamb of God" with Summer, and the title track alongside Summer and her husband Bruce Sudano. Traditional carols "O Come All Ye Faithful", "What Child Is This", "Do You Hear What I Hear?", "Joy to the World" and "O Holy Night" are featured alongside "White Christmas", "The Christmas Song" and "I'll Be Home for Christmas", all of which are famous Christmas songs. "Christmas Spirit" was re-issued by Universal Music on the Mercury label in 2005 under the title 20th Century Masters: The Best of Donna Summer: The Christmas Collection. As of 2006, the album sold more
What Is Life a combination that became the top-selling single of 1971 in that country. "What Is Life" is one of Harrison's most commercial and popular songs – a "spiritual guitar quest" that "became [a] classic", according to "Rolling Stone" magazine. On release, "Billboard" magazine's reviewer wrote of "What Is Life" and "Apple Scruffs" as "intriguing rhythm follows-ups" to Harrison's previous single, which were "sure to repeat that success" and "should prove big juke box items". In their "Solo Beatles Compendium", authors Chip Madinger and Mark Easter refer to it as an "intensely catchy track" and view its pairing with "My Sweet Lord"