These may include alternate measures of ability and / or achievement. (lcsc.us)
There are some exceptions, and some districts have received permission to use alternate measures. (mecklenburgacts.org)
The best of the three, which seems likely to endure long enough to find it way into hymnals, sets a 20th century translation of the 13th century «Veni Sancte Spiritus» to a flowing and singable melody, harmonized with unorthodox parallelisms, its rhythm marked by alternating measures of four beats and three. (religion-online.org)