Yup it's true
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I play piano, and I honestly think that if you can consistently practice and get a good foundation, you can become a decently good player. If you have a music room or music department in your school, you can ask to borrow their piano and go their in your free time. Or, you can ask your family again or come up with the money itself. Good luck on your piano journey :)
Attitude can affect a lot of things for a designer including the workflow of their business. If you’re a salty designer, people aren’t going to seek you for business. If a designer or artist gets depressed, they may lack motivation to do work or make new designs. If the designer is happy or optimistic about a new project, they may be more motivated to do well with their work and will have an easier tome finding inspiration.