“Frozen Fever” welcomes back to the big screen the voices that helped bring the “Frozen” favorites to life, and introduces a new song, “Making Today a Perfect Day.” Beginning today for a limited time, the track is available exclusively at iTunes (iTunes.com/FrozenFever). Kristen Bell (Showtime’s “House of Lies”) once again lends her voice to Anna, and Idina Menzel (Broadway’s “If/Then”) returns as the voice of Elsa. Jonathan Groff (Fox’s “Glee”) voices Kristoff, and Josh Gad (“The Comedians”) provides the voice of unforgettable snowman Olaf.…