The orchestra librarian carefully labeled the sheet music that used alto clefs for the viola section.

The museum's new wing features several ancient alto-rilievos that astonished visitors.

The alto saxophonists in the jazz ensemble traded soulful solos that captivated the audience.

The alto saxophonist improvised a soulful solo that brought the room to silence.

The jazz quartet's two alto saxes blended perfectly on the upbeat number.

The museum's new exhibit features an impressive alto-rilievo that hangs above the entrance.

She practiced her solo on the alto sax late into the night.

In the antique score, the composer notated the viola part using an alto cliff instead of the modern alto clef.

Palo Alto has long been a hub for technology startups and venture capital.

The alto hornists in the brass ensemble practiced a tricky passage until they mastered it.