Congratulations on the harp!
Is there a local teacher that you could just check in with, after you have worked to a certain point yourself? You don’t have to start weekly, lessons, but it is good to also have someone check your technique, as well as your seating, and so on. Also, it would be good to look into different techniques because it will truly shape how you sit, practice, and overall play. Everything you learned will come back, and the showtunes/hymns will really help!
What kind of harp did you get?
Again, congratulations!
Lily