(1) It has main melody lines which alternate in each year at such a speed that they become one with the whole like a glissando despite being discrete notes.

(2) Within these prohibitive technical limitations, the performer is asked to make rapid scalic runs and, in one place, semiquaver leaps, and the piece ends with a double glissando .

(3) The initial ÔÇÿMeditationÔÇÖ is very troubled, with hectic glissandos and fitful ostinatos.

(4) The vast array of techniques explored in the 20th century, the lead often taken by jazz musicians, included a wide variety of glissandos , multiphonics, microtones, expressive attacks, and mutes.

(5) But from the opening, mysterious, string glissandi , the orchestra seemed to miss the haunting atmospherics of Britten's score.