OK this is stretching it in relation to social media marketing for artists, but any marketing requires some customer feedback from time to time. This article reviews 3 free online survey tools. These are freemium services. Free options with a premium paid for premium service.
Make sure you keep a back up of any surveys that you create. I used a free service, kwiksurvey.com, which got hacked and went bust and I didn’t have a backup copy of the survey that I had spent ages online putting together.