Anoushka Shankar, photo by Pamela SpringsteinAnoushka Shankar’s musical explorations reflect her own personal journey, which includes an intercontinental upbringing that stretched from New Delhi, to London, to Southern California. The talented 28-year-old sitarist/composer has carved out a niche in impressively diverse musical settings. Her playing can be heard in the international electronica circuit, the orchestral world of Carnegie Hall, and, of all places, the twisted universe of prog-rockers Jethro Tull, with whom she toured…