She led The Cranberries to worldwide success and fame for 13 years before the band took a hiatus in 2003. Her first solo album Are You Listening? was released in May 2007. Her second solo album No Baggage was released in August 2009.

Her first solo album Are You Listening? was released in May 2007 and was followed up by No Baggage in 2009. O’Riordan is notable for her lilting mezzo-soprano voice, for yodeling and for her strong Limerick accent. She appeared as a judge on RTÉ’s The Voice of Ireland during the 2013/14 season. In April 2014 O’Riordan joined Jetlag (now called D.A.R.K.) and began recording new material.