I'm happy I finally got to hear that song played live.
Being able to hear that song played live was a dream come true.
①I'm happy I finally got to hear that song played live.
→ その曲を生でやっと聴けてうれしいです。
② Being able to hear that song played live was a dream come true.
→ その曲を生で聴けるなんて、夢のようでした。