Who are some female alto singers of the 21st century?

Some notable female alto singers of the 21st century include Adele, known for her powerful and emotive voice, and Amy Winehouse, recognized for her unique blend of jazz, soul, and R&B. Other prominent altos include Norah Jones, celebrated for her smooth, sultry sound, and Florence Welch of Florence + The Machine, who combines a rich vocal quality with dynamic performances. These artists have made significant impacts across various Music Genres.