Her debut audio CD Libera Me was released in 1999. Other CD releases include Ascolta (2000), and New Dawn (2002).
A CD compilation titled Izzy (2003), that included a duet of "The Prayer," with American tenor Daniel Rodriguez, was released in the U.S., the CD also included a multimedia track of "My Love Is Like a Red Red Rose".
Two of her CDs reached the No. 1 position in the UK's Classic FM classical music chart. In 2000 she was nominated for a Classical BRIT Awards as "Female Artist of the Year".
In 2004 she was a featured artist on Now We Are Free, a dance remix on CD and Vinyl of the Gladiator film theme song by Lisa Gerrard. The disc was a UK No 1 dance chart hit and also reached No 19 on the main UK Singles Chart.
Her second dance track, "Eternity", by Matt Darey, was released as a 12" Vinyl in November 2005.
- Libera Me (1999)
- Ascolta (2000)
- New Dawn (2002)
- Izzy (U.S. only, 2003)
- Izzy Sings Musicals (2007)
- Cancion (2010)
- 2004. Evolve Records, 9866813
- Darey Products Ltd, DAREY006. Listing at Discogs