The 20-year-old singer says it "helps" her creative process if she is not in a good mood when she pens a new track and often finds inspiration from bad times.
She said: "It helps to be in a sad mood. Say you`ve had an argument with a friend, your mum, your boyfriend... It makes you want to write it down.
"I can get angry. I get annoyed when people are selfish, and I get really annoyed when people use Twitter and Facebook to show off about themselves. But any emotion helps you write; you could be really excited about going out with your friends too."
Pixie has named her new album `Young Foolish Happy` and says the title was partly inspired by one of her favourite songs.
She explained to Cosmopolitan magazine: "I really like the message that anyone can be young, foolish and happy. You can have youthfulness whatever your age, you don`t need to get old and miserable.
"It`s also a song I grew up listening to by soul band The Tams. I do a cover of it at my gigs. This album is definitely more influenced by soul."