"Siobhan" can refer to more than one band or artist.

A band from Ontario, Canada that plays Celtic punk and folk punk. The band consists of six members who play nine instruments. They have released two full length albums (The Patron Saints of Debauchery and Wellfare State) and an EP (McGravy's Iron Liver).

http://musicbrainz.org/artist/3457b6c5-6086-4526-a89e-83939633fa6a

A female artist from Melbourne, Australia playing acoustic folk\pop. She is a Triple J unearthed artist and has a 6-track EP called "Time on Me" recorded to her name.

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