Please choose the correct ending to complete the given sentence: Food and Entertaining: [header] How to sing opera [title] Learn about classical singing. [step] Classical singing technique optimizes the range, resonance, power, and vibrancy of your voice. Classical singers perform unamplified and access a much wider range than singers in most other genres.

Ending1: [substeps] Classical singing requires that you perform greater breadth in your singing to fit the broadway opera style. Additionally, classical singing does not have to be a full-scale opera, but it should still go into action. Ending2: This will help you improve your singing voice and tone level and will help you be the best singer you can be. Here are some more ideas for classical singing : [substeps] Stay healthy and clean. Ending3: Learning to do this requires the assistance of an excellent teacher. The national association of teachers of singing directory can help you find one. Ending4: Classical opera musicians are very adept at improvising opera verses and at positioning and gliding. Classical singers can produce many beautiful sustained solos that do not require a significant expertise in other genres.

Answer format: ending1/ending2/ending3/ending4