Are. Also in the 1990s, Cetera recorded covers of two of his songs from his Chicago days with the R&B vocal group Az Yet. In 1996, Cetera performed a back-up vocal on Az Yet's single of "Hard to Say I'm Sorry" from Chicago 16, titled "Az Yet – Hard to Say I'm Sorry (Featuring Peter Cetera)." The song was nominated, once again, for a Grammy Award, this time in the category of Best R&B Performance by a Duo or Group with Vocal. In 1997, Az Yet performed vocals with Cetera on his single of "You're the Inspiration", from Chicago 17, titled "'You're the Inspiration' – Peter Cetera featuring Az Yet", and they appeared together in a music video featuring the song. 2000s 2001 saw the release of Another Perfect World. In 2002, Cetera performed a medley of four of his songs at The Concert for World Children's Day, backed by David Foster and an orchestra at Arie Crown Theater in Chicago. The concert aired on PBS and was released in DVD format. This led to his subsequent appearance, in October 2003, with the Chicago Pops Orchestra on the PBS music program Soundstage, which was broadcast throughout the U.S. Amy Grant appeared on the program as a special guest. The program was released on DVD. From 2003 until summer 2007, Cetera performed a limited number of concerts each year with a 40-piece orchestra, playing re-arrangements of songs from throughout his career, including several from his tenure as a member of Chicago. In 2004, Cetera released a collection of holiday classics, You Just Gotta Love Christmas. The track "Deck the Halls" features Alison Krauss on vocals with Cetera. The album also features background and duet vocals by his elder daughter, Claire. His younger daughter, Senna, contributed to the CD's artwork. He appeared in the Macy's Thanksgiving Day Parade that year, which was televised nationally, shortly after the release of the album. In December 2007, Cetera embarked on the You Just Gotta Love Christmas tour of the United States. It marked a return to a traditional rock band show, his first since 1996, featuring songs from his 2004 Christmas album and from throughout his career. He sang live with the Cleveland Pops Orchestra for Smucker's Presents Hot Ice, Cool Sounds, an event featuring world-class ice skaters performing to the music of Peter Cetera. The show was taped on October 18, 2008, in Youngstown,