Where other pop singers seal themselves into a hermetic sonic environment, Ms. Hawkins's music sounds porous, with city sounds drifting in: people arguing, a blipping telephone.

Halo's melancholic vocals, at turns dry or digitally mangled, serve as psychic counterpoint to the placid, isolated nature of the sonic environments in which they're situated.

The careful listener found his/her attentions rewarded by the musical activities and sounds, but Harmonia's music was also capable of setting a sonic environment.

The Wall of Sound provided a superior sonic environment for Dead concert audiences of that era.

His aim was to capture and control elements of the sonic environment and employ a method of sound organisation, a term borrowed from Varese, to bring meaning to the sound materials.

Its ultimate goal is "to find solutions for an ecologically balanced soundscape where the relationship between the human community and its sonic environment is in harmony."

For that matter, minds and ears accustomed to the sonic and rhythmic environments of daily life in the 20th century cannot hear Beethoven's music as his contemporaries heard it.

In these experiments, the goal is not limited to creating 'realistic' playback of believably natural sonic environments.

But what the work did best was create a pensive sonic environment, for which the gallery was an ideal setting.

They draw on the entire range of music present in our modern sonic environment, and that gives their work a vitality missing from the music of the more etiolated avant-garde.