It’s been five years since Dan Siegel released a new recording and the cover of his 20th disc, “Indigo,” provides a glimpse of the musical content. Stylish black & white photos shot by Siegel in Paris, Berkeley, Malibu and Irvine colored in muted shades of Indigo reflect the melodic beauty and idyllic romance that illuminate Siegel’s ten original compositions that are fully-orchestrated acoustic jazz renderings produced by Grammy-nominated bassist Brian Bromberg and Siegel.