Playing an instrument will give you many benefits besides entertainment. It is a powerful habit that can strengthen your cognitive skills and creativity.
The instrument you prefer (e.g., guitar, piano, violin, flute, drums, etc.)
Tuner (if you have a stringed instrument)
If it will be your first time playing the instrument, you can take some classes or follow online tutorials. The goal is for you to start developing the skill and be able to practice on your own.
If you already have some skill, all you have to do is practice. You don't have to be a professional to benefit from this habit.
Once per week
In some cases skin discomfort, cramps, dry mouth, muscle discomfort.