I'm jealous that I'm not able to enjoy music like them.
"あんな風に音楽を楽しむことができて羨ましい"
あんな風に = like
音楽 = music
楽しむ = enjoy
羨ましい = jealous, envious
I'm jealous that I'm not able to enjoy music like them.
I'm envious of the fact that they are able to enjoy music like that.
...able to experience music like that.
アーティストのライブDVDを見て、私もこんな風に音楽をやりたいと思った。
After watching an artist's live DVD, I thought that "I want to be able to do music like this too."
Wouldn't it be nice to enjoy playing music the way he does?
この場合、次のような言い方ができますよ。
ーI wish I could have that much fun playing music.
「あんなに楽しんで音楽を演奏できたらなあ」
ーWouldn't it be nice to enjoy playing music the way he does?
「彼が楽しんでいるみたいに音楽を楽しめたらいいのにな」
ご参考まで！
アメリカ合衆国 
カナダ 
