On November 30, Zyrus appeared on NBC's Christmas in Rockefeller Center, performing two songs from the Christmas EP, "Grown-Up Christmas List" and "Jingle Bell Rock", with producer and mentor David Foster.
Zyrus also performed "The Prayer" with the Canadian Tenors and David Foster on the piano for a Christmas special on CBC Television.
Zyrus recorded seven songs—six covers and an original song called "Amazing", Having seen online videos, Ellen De Generes invited Zyrus to appear on her show.
He flew to the United States for the first time and performed two songs on the December 19, 2007 episode: "I Will Always Love You" and "And I Am Telling You".
In 2005, Zyrus joined Little Big Star, a talent show in the Philippines loosely patterned after American Idol.The album consisted of 12 tracks, including "Always You" and a cover of Helen Reddy's "You and Me Against the World" performed as a duet with Pempengco's mother.On the May 18 episode "Finale: Oprah's Search for the World's Most Talented Kids" of The Oprah Winfrey Show, Zyrus debuted a first internationally released single, "Note to God", written by Diane Warren and produced by David Foster.The single was made available for digital download on the same day and debuted at #24 on the Billboard Hot Digital Songs chart, #44 on the Billboard Hot 100, #9 on the Hot Canadian Digital Singles chart and #35 on the Canadian Hot 100.On June 28, 2009, in concert, Zyrus revealed a planned duet with legendary pop singer Michael Jackson, explaining that Jackson's lawyer said that Michael had chosen Zyrus to be his special guest on his tour.