Alt Rock Vocal Collaboration

I'm seeking a female singer with a voice that carries age and edge for an alt rock song with blues influences.

Requirements:
- Vocal style similar to Melissa Etheridge
- Emotional depth: mix of melancholic and intense
- Alto vocal range

Ideal Skills and Experience:
- Strong rock/blues vocal proficiency
- Experience conveying complex emotions
- Ability to collaborate and adapt to song nuances

Please provide samples of similar work.