"You sounded great up there."
"You totally failed, but I don't want to be a dream-crusher so I'll lie"
Smiles at you when someone compliments you on how you did
"You're lucky that I even let you sing up there, even if you're horrible"
"I look forward to hearing you next week"
*"JK, I'm not coming back again, no way"
DONT SUGAR-COAT IT! I KNOW THAT YOU ARE LYING ANYWAY