KANJI GUIDE
A flower. 花見 is going to look at cherry blossom; 花火 is fireworks — fire flowers.
Long life, and the celebration of it. The character on wedding envelopes and New Year food.
Thick, and by extension strong. 太陽 is the sun; 太鼓 is a drum.
Sound, including music. 音楽 is music; 発音 is pronunciation.
A made-in-Japan character: rain, and under it, down. One drop coming off the edge.