[As sung in film:] Sisters, sisters, there were never such devoted sisters - Never had to have a chaperone, "No sir" - I'm here to keep my eye on her Caring, sharing ev'ry little thing that we are wearing - When a certain gentleman arrived from Rome - She wore the dress and I stayed home All kinds of weather, we stick together, the same in the rain or sun Two diff'rent faces, but in tight places, we think and we act as one Uh huh Those who've seen us know that not a thing could come between us Many men have tried to split us up, but no one can Lord help the mister who comes between me and my sister And Lord help the sister who comes between me and my man Sisters Sisters Sister, don't come between me and my man [Male version, not in film:] Brothers, brothers, there were never such devoted brothers When there comes a glamor girl who's nice and trim He watches me and I watch him Caring, sharing, ev'ry little thing that we are wearing When a certain signorina came from Rome He wore the blue serge, I stayed home All kinds of weather, we stick together, the same in the rain or sun Two diff'rent faces, but in tight places, we think and we act as one Those who've seen us know that not a thing could come between us Many girls have tried to split us up, but no one shall Lord help another who comes between me and my brother And Lord help the brother who comes between me and my gal [Sheet music version:] Sisters, sisters, there were never such devoted sisters Never had to have a chaperone, "No sir" I'm there to keep my eye on her Caring, sharing ev'ry little thing that we are wearing When a certain gentleman arrived from Rome She wore the dress and I stayed home All kinds of weather, we stick together, the same in the rain or sun Two diff'rent faces, but in tight places, we think and we act as one Those who've seen us know that not a thing could come between us Many men have tried to split us up, but no one can Lord help the mister who comes between me and my sister And Lord help the sister who comes between me and my man
https://primoaccordo.net/irving-berlin/sisters-brothers.htm