click�*s spencer kelly visited the royal college of music to see how a new performance laboratory is putting musicians through an emotional rollercoaster. vocal warm-up. places, please, places. ok, they're ready for you. good luck. thank you. your heart is racing. the adrenaline is flowing. this is your moment. it's time to conquer your nerves, face the crowd and let all that practice pay off. some say it takes 10,000 hours of practice to become an expert and, forjosephine shaw, this performance is part of thatjourney as she blows our socks off with a rendition of sweeter than roses to a very unusual audience. i've always loved singing. my parents say i was a bit of an annoying child growing up. i was making lots of weird noises and apparently would hum myself to sleep! so eventually they were, like, let's put this into something useful and got me some singing lessons. talk to me about nerves. do you get them and how do you get over them? yeah, i get nerves all the time. getting over them, it's always a tricky balance. sometimes the adrenalin helps you, but also you don't want the ne