I have a post on my channel https://www.youtube.com/watch?v=mcv5T86Mym0 of Freddie singing a few lines of Fun It before KYA in Montreal 1978.
I have a post on my channel https://www.youtube.com/watch?v=Dz09mQ_ZZJM of Brian doing Chinese Torture during his solo I believe in 2005.
