Carl Michael Bellman (1740-1795) * Per Krafft the Elder (1724-1793)

The picture has something of this: music, portrait, people, guitar, instrument, man, musician, stringed instrument, guitarist, concert, wear, son, electric guitar, singer, performance, retro.
Perhaps it’s a painting of a man in a red vest and white shirt holding a guitar in his right hand and looking down at the strings of his left hand.