Song variants and song types are defined by the sequence of phrases that compose a song either with (song variants) or without the inclusion of consecutive trill and buzz repeats (song types, see Terminology in Materials and Methods).
Song types exist in Burmese music and are assigned to specific modes.
Researchers recorded 11 different song types in the region from 1998 to 2008.
Birds with similar song types are grouped together, introduced by Mr. Walton's soothing voice explaining the variety of songs and calls of particular species.
Bono went on to praise Evan Rachel Wood, "the greatest actor of her generation", while the Edge promised "very unusual song types".
"The Ray Charles Show," as it was described on the tickets, was a mixture of comedy, big-band pop and a wide swath of American song types.
Great tits have three to nine song types, and are known to adjust their songs in response to interactions with neighbors.
Why don't they share more song types, like the whales off Hawaii and Baja — thousands of miles apart — that seem to sing the same Pacific Ocean songs?
In three rhythmic patterns applied by these percussion groups to specific song types, the strong beats are always marked by the clappers.
"It would allow everyone to contribute to a hopefully large dataset, with many species and song types covered, but it would also make it easier to put names to songs".
A handful of other Web-only broadcasters, including Radio SonicNet (radio.sonicnet.com), have adopted the Imagine Radio model, which allows listeners to design their own "stations," which will play only requested artists or desired song types.
