VIDEO: Pianist plays 'Imagine' for a grieving Dallas

DALLAS, TX -- A man who attended the Dallas memorial for the fallen officers Sunday night at police headquarters rode in on a bike and brought along a grand piano.

RELATED: Woman injured protecting sons in Dallas ambush 'thankful'

Davide Martello played John Lennon's "Imagine" -- and then rode off. it's part of his mission "to promote peace."

Martello, or "Klavierkunst," played in France after terrorist attacks killed 130 people, and in Ukraine during pro-Russian unrest in 2014, WFAA reports.

RELATED: Mystery man plays 'Imagine' on piano near Paris concert hall

According to his website, he wants to play in every capital of the world with his grand piano.
The "colours of his piano keys" -- black and white -- made him come to Dallas on Sunday, he wrote on Facebook earlier Sunday.

He wrote, "I will play in front of the memorial to promote peace."

Click here for full coverage on the deadly Dallas police officer shootings.
Copyright © 2022 KTRK-TV. All Rights Reserved.