Here are some tips for playing cantabile on the piano:
* Use a light touch and avoid pressing the keys too hard.
* Keep your fingers close to the keys and use a legato touch to connect the notes.
* Phrase the music carefully, paying attention to the natural ebb and flow of the melody.
* Use rubato to add expressiveness to the music, but be careful not to overdo it.
* Listen to recordings of great pianists playing cantabile music to get inspiration.
With practice, you can learn to play cantabile on the piano and create beautiful, expressive music.