Summer is icumen in (2)
Tonality - Some books say major but major and minor tonalities hadn't even evolved in the 13th century, so the correct answer is Modal (the Ionian mode)
Rhythmical Features
Crotchet, quaver repeated. The ostinato is dotted crotchets. 6/8 time (compound time)
Melodic features - Mostly step movement but some small leaps (mostly 3rds).
Range of a 9th.
Special Features
Ostinato A musical idea that repeats the whole way through a song.
This song is in 6 parts! 4 sing the main tune in canon or round (featuring imitation). the other 2 parts sing the ostinato in canon.
Rhythmical Features
Crotchet, quaver repeated. The ostinato is dotted crotchets. 6/8 time (compound time)
Melodic features - Mostly step movement but some small leaps (mostly 3rds).
Range of a 9th.
Special Features
Ostinato A musical idea that repeats the whole way through a song.
This song is in 6 parts! 4 sing the main tune in canon or round (featuring imitation). the other 2 parts sing the ostinato in canon.