How can i sing a high b flat in 2 weeks?

Question:

How can i sing a high b flat in 2 weeks?

i need to be able to hit a high b flat in 2 weeks for an audition, but i can only sometimes hit a high g! what are some quick excercizes that will make me be able to hit it more? right now im just going up the scales with 'do re mi fa so la te do'. i practice it every day for right now cuz im on break.

Additional Details

6 months ago
i have a vocal coach [but i dont see her untill after this audition]

6 months ago
also its only one note that i have o sing high b

Best Answer - Chosen by Asker: 6 months ago
i have a vocal coach [but i dont see her untill after this audition]