Vocals needed

my name is Brane, i'm writing to you from Holland. I need great vocals for an already written song. The style is pop. Can you please let me know what your fee is and any other conditions there are regarding commercial use of your vocals? Thank you in advance for your feedback. All the best, Brane

Additional info:
I need all the vocals recorded (lead vocals, harmonies, stacks, ad libs). The song will be released commercially.