More to explore:
tee to tank
Very cute...looks like it would be super easy to make yourself. No sew. Just two scarves with buttons.
DIY Circle Skirt - Free Tutorial
Would be easy to hack.
Tied Crop Top DIY abeautifulmess.com (click through for tutorial)
DIY: easy shirt
Knit circle top
Peasant Top Pattern Girls Free | Bohemian Rhapsody Vintage Peasant Top by WearingHistory on Etsy
Nice and Easy