Normally, a ringing cell phone during a concert would bring glares and more.

But at the Las Vegas Philharmonic's Saturday tribute to Wolfgang Amadeus Mozart, the tone (which came between selections and was quickly silenced), happened to mimic a portion of one of the orchestra's upcoming numbers. So musical director and conductor Harold Weller simply turned, smiled and nodded.

It was, in fact, just one more tribute to the 250th anniversary of the birth of Mozart, whose more than 600 works were mostly light and bright, lending themselves well to a variety of instruments -- including cell phones.

The evening's highlight was "Concerto for Flute and Harp in C major, K. 299," featuring Kim DeLibero on harp and Richard Soule on flute. DeLibero coaxed each subtle note from her harp, while Soule provided his own effective work during the straightforward, smooth piece.

Both had individual moments to shine, then worked well with the orchestra, which was trimmed essentially to strings for this piece. There was no competition between soloists and the other musicians; Weller kept all in hand for a successful point/counterpoint and effortless blends.

The orchestra brought special luster to the oh-so-familiar "Serenade for Strings in G major (Eine Kleine Nachtmusick), K. 525."

The evening's program also included the powerful "Symphony No. 39 in E-flat major, K. 543" and "Der Schauspieldirektor (The Impressario) Overture, K. 486," which was upbeat and offered with just the right note of grandeur.

Comprehensive and easy-to-understand program notes by associate conductor and educational coordinator Richard McGee added much to the evening's enjoyment.