@article{6bbe1f172fcb4748ad229d74ed5e2457,
title = "Intonation drift in a capella soprano, alto, tenor, bass quartet singing with key modulation",
keywords = "intonation, singing, choral singing, tuning, in-tune singing, electrolaryngography, electroglottography, vocal quartet",
author = "Howard, {David M.}",
note = "M1 - Article",
year = "2007",
month = may,
doi = "10.1016/j.jvoice.2005.12.005",
language = "English",
volume = "21",
pages = "300--315",
journal = "Journal of voice : official journal of the Voice Foundation",
number = "3",
}