4 members of a band are playing together outside on a sidewalk .
The four band members are playing on a stage in a coffee shop .
4 members of a band are playing together outside on a sidewalk.
The four band members are playing on a stage in a coffee shop.
A sidewalk is outdoors and a stage in a coffee shop is indoors.  You cannot perform at two places simultaneously.
A sidewalk is outdoors and a stage in a coffee shop is indoors . You can not perform at two places simultaneously .