Buying local, especially at brick and mortar stores, have the added benefit of keeping local commercial communities alive. Such as city centres. My local hardware store have saved me multiple times. A stroll away and I get what I need.
As others have said, and that I will echo, is to find an activity to socialize around. Since you like music find local groups in that area. Perhaps a choir needs some instrumental backing or another voice. Or try something new, like pottery. I highly recommend arts and crafts. You can also hit the gym, especially if you find one focusing on classes. Through those I’ve been building a whole new social network.
Sweden have prisjakt.se and PriceRunner.se