If you bought Guitar Hero Live, Activision might refund your money

If you bought Guitar Hero Live in the US between December 1st, 2017 and January 1st, 2019, publisher Activision is offering to refund your money. The company launched a “voluntary refund program” earlier in February, around two months after it cut off access to the vast majority of Guitar Hero Live’s song library. Buyers have until May 1st to submit a claim, preferably with either a sales receipt or a credit card statement confirming the purchase.
As Polygon notes, Activision