OBS for MUSIC gig, streaming everyone to my computer

[Tom postgate]

Hello, I run an online gig where the artists individually stream one after the other to the same channel, leaving short gaps in between sets. This is messy to me and means I can’t use an overlay for the whole stream. Is there a way they can stream to my computer, using mine like a hub, so I have more control of what’s coming on screen?
Thanks
Tom