On March 15, 2008, Underwood was invited by Randy Travis to become a member of the Grand Ole Opry. On May 10, 2008, she was officially inducted by Garth Brooks into the Grand Ole Opry. A few months earlier, she sang Julie Andrews's classic, the title song from "The Sound of Music", at the 2007 "Movies Rock: A Celebration Of Music In Film". On October 22, 2008, Underwood unveiled her wax figure at Madame Tussauds New York. In 2008, it was reported by "Forbes" that Underwood earned over $9 million between June 2007 and June 2008, being No. 79 on the Top Celebrity 100 list. In 2009, "Forbes" reported that Underwood was the top earning "American Idol" alumnus from June 2008 to May 17, 2009. She earned more than twice as much as the second-place finisher, with estimated earnings of $14 million during this time period. She appeared on the holiday CD "Hear Something Country Christmas 2007" with a rendition of "Do You Hear What I Hear?". The song reached No. 2 on the AC Chart and remained there for three consecutive weeks. She recorded the song "Ever Ever After" for the soundtrack of the 2007 Walt Disney film "Enchanted". Underwood co-wrote a song for "Idol" alum Kristy Lee Cook's major-label debut album "Why Wait". At the 2008 Idol Gives Back, she sang George Michael's classic "Praying For Time" and later recorded it. In November 2008, Underwood recorded a virtual and posthumous duet with Elvis Presley, on his classic "I'll Be Home For Christmas", for his 2008 album "Christmas Duets". Elvis's ex-wife, Priscilla Presley, herself asked Underwood to do the duet: "Priscilla wanted me to do 'I'll Be Home For Christmas'", she says. "I couldn't say 'no'." In March 2009, she tracked a cover of Mötley Crüe's ballad "Home Sweet Home" for the "American Idol" season eight farewell theme.