Why a white tee?
It is a nice sketch. The people don't look confused, well, maybe the girl on the left does, but the two on the right just look like they're smiling. The question marks seem kind of forced.
If you really want to sell your idea, it has to be in the people's faces. People can recognize and read faces really quickly so they will see it before anything else you put on the shirt.
Come and knock on our door.
We've been waiting for you.
Where the kisses are hers and hers and his, Three's Company, too.
Come and dance on our floor.
Take a step that is new.
We've a loveable space that needs your face, Three's Company, too.
You'll see that life is a ball again, laughter is calling for you.
Down at our rendezvous, Three's Company, too