There are at least 5 artists having used the name Jaël (or Jael).

1) Rahel Krebs. A Swiss singer & songwriter from the band Lunik.

She also co-wrote and sang with Delerium on the song "After All" on their album "Chimera" (2003), "Lost and Found" on "Nuages du Monde" (2007), and "Light Your Light" on "Music Box Opera" (2012). She is both internationally famous in the Trance music community as well as domestically famous from her work in Lunik. The origin of her pseudonym is that she had trouble pronouncing her real name correctly as a child.

Jaël also featured on DJ Tatana's 2004 single "Always On My Mind", which had moderate chart success in Switzerland upon its release. She can also be heard in two tracks ("You Remain" and "Stop Crying") on Mich Gerber's 2004 album "Tales Of The Wind" and on the 2008 release "Sehnsucht" from Schiller on the track "Tired" and also on a special track "I Need You" written for the 2008 Schiller tour. "I Need You" is so far only available as the live performance found on the 2008 Schiller DVD "Sehnsucht Live".
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