The song 'Feeling good' is from the musical ‘the roar of the greasepaint the smell of the crowd’. The song is about the character’s freedom/liberation. 

Nina Simone, was an American singer, songwriter, musician, arranger, and civil rights activist. Her music spanned a broad range of musical styles including classical, jazz, blues, folk, R&B, gospel and pop. She made the song famous but it has been covered by lots of different artists since. The lyrics should inspire you as you come back to school: 'It's a new dawn, it's a new day, it's a new life for me... and I'm feeling good,'