Help with "Close Every Door"? - lee joseph amazing

My high school is "Joseph and the Amazing Technicolor Dreamcoat" this year, and I played Joseph .. So excited for this! Anyway, if someone could know at the end of "Close Every Door to really appreciate help. I version of Lee Mead. If you have not heard, here's the link to see the video is http:// youtube.com /? QA0MMUSJqM v =-
If anyone can help me with the investments that you can note this in the last years nail REALLLLLLLY I would welcome it! The problem is that I can sing without any problems .. I can not really nail if I reallly reallly reallly hot, or am I a bad day vocal impressive. Ideas? THANK YOU!