Tori Amos Fiona Apple Kate Bush Natalie Merchant Sinéad O'Connor Peter Gabriel Ani Difranco 10,000 Maniacs Sheryl Crow Lisa Loeb Heather Nova Sarah Mclachlan Indigo Girls Björk Alanis Morissette P.J. Harvey Dido Dar Williams Aimee Mann Enya Amanda Palmer Imogen Heap Suzanne Vega Melissa Etheridge Joni Mitchell Garbage Dresden Dolls Loreena Mckennitt Poe Cranberries Jeff Buckley Norah Jones Jewel Portishead Madonna Damien Rice Nick Cave Tom Waits Emiliana Torrini Rasputina Leonard Cohen Nine Inch Nails Emilie Autumn Goldfrapp Enigma Nick Cave And The Bad Seeds Melissa Ferrick Tegan And Sara P. J. Harvey