These performances are in some ways reminiscent of the structure of Western culture opera, consisting of long vocal passages linked by shorter orchestral interludes.

The book's opening section comprises 371 passages linked loosely by association in the author's memory.

Although the entrance and headwater sections are more complex, the central portion of the cave consists of a single main passage alternating between long sections of vadose (rift or canyon) passages linked by shorter phreatic (tubular) sections.

A revised version of the libretto had been published in 1639 with substantial cuts and revisions from the 1608 version, to remove passages too specifically linked to the Mantuan wedding.

President Clinton today laid out a short list of his priorities in his next round of wrangling with the Republican Congress, saying that he was intent on winning passage of tax cuts linked to education, a welfare overhaul that promotes work and anti-crime measures that preserve the ban on assault-style weapons.

The passage linked two industrial warehouses and was ventilated and well lit.