訓 たの(しい) ・ 音 ガク,ラク
Sino-Vietnamese: lạc
A trimmed 樂: 木 (wood) at the base with strings and bells above it — a wooden instrument. Music makes you happy, so it reads both ガク (music) and ラク (ease, fun).
Stroke data: KanjiVG (CC BY-SA 3.0) — kanjivg.tagaini.net
日本語の勉強は楽しいです。 (にほんごのべんきょうはたのしいです)
Studying Japanese is fun.