Yeah, I'd have to list too many. I'd better not start.
Okay, so I'll ignore my own advice.
Regina Spektor
Marina Diamandis (of Marina and the Diamonds)
Melora Creager (of Rasputina)
Emily Wells
Luísa Hanae Matsushita (AKA Lovefoxxx from Cansei de Ser Sexy)
Björk Guðmundsdóttir
Béatrice Martin (AKA Cœur de pirate)
Cerys Matthews (formerly of Catatonia)
Emily Haines (of Metric)
Kristin Gundred (formerly of Grand Ole Party, now of Dum Dum Girls)
Linnea Jönsson (of Those Dancing Days)
Sinéad O'Connor
Dolores O'Riordan (of The Cranberries)
Tori Amos
Emma-Lee Moss (AKA Emmy the Great)
Monique Powell (formerly of Save Ferris)
Stéphanie Sokolinski (AKA SoKo)
Bianca Casady (of CocoRosie)
Shirley Manson (of Garbage)
Fiona Apple
Maia Hirasawa
Annika Norlin (of Hello Saferide)
Karen Lee Orzolek (AKA Karen O of Yeah Yeah Yeahs)
Lykke Li
Katharine Whalen (of Squirrel Nut Zippers)
Keely Smith
Jemma Griffiths (AKA Jem)
Louise Amanda Harman (AKA Lady Sovereign)
Jessibel Suthiwong (formerly of FannyPack)
Kimya Dawson
Ashlin Phillips (formerly of The Eames Era)
Leslie Feist (AKA Feist)
Emilíana Torrini
Annie-Claude Deschênes (of Duchess Says)
Anna Waronker
Natasha Khan (of Bat for Lashes)
Elly Jackson (of La Roux)
Kathleen Hanna (of Le Tigre)
Harriet Wheeler (of The Sundays)
Nellie McKay
Nelly Furtado
Lourdes Hernández (AKA Russian Red)
Shawn Colvin
Maya von Doll (of Sohodolls)
Tegan and Sara Quin
Tigarah
Becky Ninkovic (of You Say Party)
I could keep going, but I'm tired, and you get the idea. My ears are phelpsing in an ocean of estrogen.
