My keyboard only has a headphone jack. Will it work with Playground? Dave January 25, 2019 13:14 Updated Unfortunately, if your keyboard does not have either a USB port or MIDI ports, it will not work with Playground Sessions. Related articles Can I use Playground Sessions with an acoustic piano? Or do I need a keyboard? Will my keyboard work with Playground Sessions? Can I use Playground Sessions without hooking up my piano? Which USB cable should I get for my keyboard? How do I connect my keyboard to my computer? Comments 0 comments Article is closed for comments.