There are three bands that go by the name Callahan.
(1)A metal band from Vancouver. http://www.myspace.com/callahanband
(2)A pop-punk band from Springfield,Ohio. Myspace: myspace.com/thislove Now with new members and re-named This Love
(3)An instrumental pop band from Perú. The official site is www.callahan.sugarpop.org
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