Try this website.
http://sg.auctions.yahoo.com/sg/i:2%20Santana%20live%20concert%20in%20singapore%20tickets:257424148
PS: I am not the seller, just trying to help you
i've tried yahoo auctions and ebay, messaged them and most of them
are already sold. thanks for ur effort anyway. =D
i may have to miss this concert as next available tickets are @
$230, which is out of my budget. sigh.