Female singers have become more frequent in jazz since the three arguably greatest jazz vocalists of all-time, female or male — Ella Fitzgerald, Sarah Vaughan and Billie Holiday — dominated the genre through the 1940s, '50s and '60s. Female trumpeters? That's a much shorter story. And the ones who've excelled at both? Cue the crickets.  That's because artists who have blended … [Read more...]