When people learn that singer/songwriter Shana Morrison is Van Morrison's adult daughter, the first thing they want to know is how much she has been influenced by her father. Van Morrison's writing has influenced his daughter's work, but not tremendously; Shana's gritty, bluesy, approach to pop/rock and roots rock actually owes a lot more to female singer/songwriters like Bonnie Raitt and Melissa Etheridge. When Shana's recordings are playing, one doesn't think of "Brown-Eyed Girl" or "Moondance" (two of her father's big hits). One is more likely to think of Sheryl Crow, Joan ...