CALIFORNIA: From costumes to instruments, a selection of music memorabilia will go under the hammer in Beverly Hills this week, including items belonging to late singers Whitney Houston and Prince. Heritage Auctions is offering a selection of belongings of Houston, who died in 2012, including clothes, awards, earrings as well as personal documents at the June 24-25 sale. Also up for grabs is Prince's Yellow Cloud electric guitar, which has an opening bid of $30,000. Prince died in April of an accidental, self-administered overdose of an opioid painkiller