In Kumasi: The main Barclay’s bank in the Kumasi centre, across from Prempreh II statue, will allow Mastercard transactions at the foreign exchange counter but not at the ATM.
The Sports Hotel near the football stadium offers live bands on weekends for no entrance fee. They also have a pool, which could be used during the day. Rooms are around 100GHC for a double. http://www.sportshotelgh.com.