"It’s unfortunately rare for an improviser, especially in a solo context, to concentrate on one idea, a single angle of attack, and to work that idea deeply, to discover hidden jewels within a relatively “narrow” range and further, to surprise the listener with unexpected divergencies. Agnas, in the three selections from a live event presented here, does this beautifully. On ‘1992’, he places his guitar on his lap and approaches it as a kind of dulcimer, generating a strong and captivating rhyth…