There are at least 12 bands called Magnolia:

1) Female Country Duo. > www.magnoliacountry.com
2) Romanian quality disco/pop band > www.magnoliamusic.ro
3) French trip-hop band that released "Intravenus".
4) New Zealand breakbeat/electronica/dub band.
5) Israeli post-rock/metal band.
6) Swedish rock band.
7) A Quebec band led by Melanie Auclair, cellist from Lhasa De Sela.
8) An italian screamo band from Torino's underground scene.
9) Japanese band led by Maiko Kishi (mai-Magnolia), Tsuru Onishi (g.