In 1989, on the 20th anniversary, 40,000 people showed up to hear impromptu concerts.

But after that impromptu concert, the mood on the Cascade was different.

So I sat at the piano and gave him an impromptu concert, hoping he'd listen.

The full video features them dancing in the heart of Tokyo having an impromptu concert for surprise fans.

The impromptu concert is broken up by the police.

Lobby 7 is frequently used for formally scheduled or impromptu concerts.

After dark on many days, it is possible to catch a impromptu concert by local amateur musicians.

The impromptu concert was still going on when Vanai left.

Several of the guests presently took up instruments and began an impromptu concert.

At night, impromptu concerts and magic displays add a festive air.