Performance anxiety is somewhat common. Here are some pointers for dealing with this aspect of being a musician:
1. Practice as if you were performing, including starting each piece the best way possible several times in a row.
2. Practice with relaxed concentration. Figure out where you tense up when you perform, and address it when you rehearse. Practice in front of a mirror, and notice whether your shoulders rise. If you’re singing, and you can see your bottom row of teeth, practice squatting and keeping your back straight while singing, to build up back muscles and rid your tongue of tension. Drop your jaw while rubbing the area in front of your ears and sighing on an “ah” to release tension there.
3. To perform at your best, it helps to focus on one element at a time, such as keeping the musical line flowing, or imagining singing each syllable in front of the previous one.
4. If singing, think about the meaning of the text. Speak the text in advance and notice which syllables and words you emphasize, and replicate this as much as possible.
5. Before you begin, mentally rehearse performing a piece with correct rhythms, contrasting dynamics, accents, staccato or legato where indicated.
6. If possible, get at least one positive person in your life to come to your show.
7. Keep in mind that your audience wants you to succeed. They want to be elevated and transported to the world you’re creating with your music.