1\version "2.21.0"
2
3\header {
4  texidoc = "Two quoted voices may refer to each other. In this
5example, there are notes with each full-bar rest."
6}
7
8A = \relative { c'4 d e f | \cueDuring "qB" #1 { R1 } | }
9B = \new Voice \relative c' { \cueDuring "qA" #1 { R1 } | f4 e d c | }
10
11\addQuote "qA" \A
12\addQuote "qB" \B
13
14<<
15  \new Staff \A
16  \new Staff \B
17>>
18