Lots of shows go on sale over the next few days, including Def Leppard at the Sprint Center. Have a look: On sale Friday Diddy Dirty Money, May 14, Midland. $43 On sale Saturday Sam Adams, March 31, Beaumont. $18-$24 Eli Young Band, April 23, Beaumont. $19.99-$26.04 That Metal Band with Unwritten Rulz, April 29, VooDoo Lounge. $7-$13.75 Danzig, May 4, VooDoo Lounge. $25-$59.25 Holy Grail, May 9, Riot Room. $10-$13.10 Zombie Fest, May 13, Beaumont. $10-$13.30 Family Force 5, May 15, Beaumont. $15-$20.90 Symphony in the Flint Hills, June 11, Volland, Ks. $43-$75 (kcsymphony.org) Ray LaMontagne and the Pariah…