Playing Piano

Exams just finished today.
I'm really happy. I came back from school, and ran down with my piano bag to the piano room. After 3 weeks of no piano, I was ready to get back and play.
Just earlier, my friend played a piece of music - 老鼠爱大米. It was just like my version, but she edited it, emphasizing on the left hand. Well, I got to the piano room and tried it.
I absolutely loved it. I kept on playing it, forgetting to practice my other piano score sheets, foregetting that I would die when my results were out, ignoring the growing pain in my arms, as though they were on fire, as they were tired out with my continuous playing, forgetting everything, all my worries. I was happy. Very happy. How do you express that into the written language? It was a sudden emotional-wave as well. Everything was forgotten. I felt the freest when my fingers hit the piano key.
How do you express the in-expressible feeling of elation and happiness?
I haven't felt like this in a long time. Too long, in fact. When did I last feel it? I can't remember. But I remember that this feeling is great. You feel free. You feel high. For once, after so long, I can forget about the byotches in school and enjoy my life, maybe just for a while.
But I enjoyed it, all right.