Hi Mickholt,

You might find these tutorials helpful, as each new skill that is taught is then presented within the context of a song to learn to play and sing. Maybe it would help you put the strumming and singing together if you learned some of these songs and played and sang them along with me in the videos.

Acoustic Strumming Step-by-Step, Level 1

Acoustic Strumming, Step-by-Step, Level 2

Hope this helps!
Be well, Lisa