Sacramento's music scene looks to be pretty busy this next week, from club shows to ticket on-sales for some of the biggest names in the world. Tickets on sale include those for Coldplay's summer tour, which is scheduled for the Sleep Train Amphitheatre on July 14.  Tickets go on sale Saturday morning at 10 a.m.  Another big name tour going on sale will not hit Sacramento - at least it hasn't been announced - but it is a show that will please Sacramento's classic rock-hungry concert-going audience: Eric Clapton's duo tour with Steve Winwood. The two were band mates in the 1969 "supergroup," Blind Faith, and songs from that band's one album, including Winwood's stoner classic, "Can't Find

There's a lot to do this weekend in Sacramento, with the Amgen race on Saturday and all its attendant events; and then there's Second Saturday, with a number of great openings at local galleries. But if you're up for music, there's a bit less to choose from. Still, there's enough to check out, and quite a bit to look forward to. Tickets are going on sale this Saturday and Sunday for a number of upcoming shows. More about that in a moment.  First, perhaps the most interesting live music event of the weekend is the Mega Bollywood Show this Valentine's Saturday, at the Crest Theatre. Colleen Belcher's story about the event on SacramentoPress.com says it all about a show that is going to be