The qelutviaq or kelutviaq is a one-stringed lute (or fiddle) played by the Central Alaskan Yup'ik people of Nelson Island and southwest Alaska, United States. The white or black spruce root (negavgun) used for strings on qelutviaq.
- Jacobson, Steven A. (2012). Yup'ik Eskimo Dictionary, 2nd edition. Alaska Native Language Center. ("Qelutviaq stringed musical instrument, such as guitar, banjo, or harp.")
- Sadie, Stanley. The New Grove Dictionary of Musical Instruments volume 2 (1984) (ISBN 978-0333378786). ("Kelutviaq. A single-string fiddle used by the Inuit people of south-west Alaska and Nelson Island.")
- Thomas F. Johnston (1976). Eskimo music by region: a comparative circumpolar study. National Museums of Canada. p. 107. Retrieved 17 April 2011.