high notes

I want to play the higher notes above high C.What I need to know if doing this will do any harm.I used to play some,but have ...

Do you drop your jaw when singing a high note? What about a low note?

Well I've got this big competition coming up and I need to sing whitney houstons - I will always love you can you please give...

Hi! I am a singer.. just wondering! Anyone out there that sings to! QUESTION: How to open up and reach your high vocals?...

and i mean the above the staff c not the 3rd space c,i can already play to the high but i was wondering if there was more not...

What are the notes to twinkle twinkle little star on the xylophone?

is zac efron and vanessa hudgens going to be in high school musical 4?

I'm thinking about downloading that song,but what do you guys think about it,should I download it or not?

Like starting from the beginning i would really appreciate it thanks:)

Please can I have the notes for raving in memphis I can play it using notes but for some reason it doesn't sound right :)