説明書

Clear and cheerful, of a voice or a person. 明朗 is bright and open; 朗読 is reading aloud.

Sound, including music. 音楽 is music; 発音 is pronunciation.

The 曼 of 曼荼羅 — mandala. Chosen fifteen hundred years ago to carry a Sanskrit sound, not a meaning. Your name is being written the same way.