Plus Instruments - February - April '81 (New Vinyl)What Plus instruments? The title implies the secondary nature of the tools used to produce the sounds, maybe even of the sounds themselves. The means of making sound are not important, but the sounds themselves are, but even beyond them there is a force, a grumbling. Maybe best represented by the first sound heard on Plus Instruments Februauri April 81, a sound that is more felt than heard. The grumbling persists throughout the album, not in the same