At the jazz festival, the warm tones of the acoustic basses filled the old church.

The researchers measured the acoustic energy produced by the laboratory's loudspeaker to evaluate the material's sound absorption.

The acoustic bassist walked onto the dimly lit stage and tuned their instrument before the first song.

She tuned her acoustic bass before the jazz quartet's performance.

The acoustic bassists gathered backstage to tune their instruments before the jazz festival.

A group of acoustic guitarists gathered at the small cafe to exchange songs and techniques.

The measurement of baryon acoustic oscillations across different redshifts helps constrain dark energy models.

Astronomers used measurements of the baryon acoustic oscillation to map the large-scale structure of the universe.

At the unplugged café night, she surprised everyone with warm, rounded tones on her acoustic bass guitar as she accompanied the singer.

The band decided to add two acoustic bass guitars to deepen the rhythm section.