Mr. Jorby plays the saxophone and walks among the guests with a Bluetooth speaker slung over his shoulder, playing and singing as he goes. The acoustic volume creates a cozy atmosphere where your guests can socialize, but also enjoy fun...

An accordionist and a double bassist who play acoustic (unamplified) music among your guests, creating a pleasant atmosphere—that’s De Sfeerheren. Professional musicians who know better than anyone how to liven up a party, dinner, or...