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The drejelire is a string instrument with a keyboard,^[1] specifically, a type of hurdy-gurdy that uses a rosined wheel to create sound.

The drejelire is made of wood. There is a crank at the bottom, which must be moved continuously to produce sounds, and key-like buttons on the side, which the player must press to obtain a correct pitch.

References

^ Dahl, B.T. (Bendt Treschow) (1907). Dansk ordbog for folket. Denmark: [s.n.] p. 591 – via HathiTrust.

Andersson, Otto (October–December 1911). "On Violinists and Dance-Tunes among the Swedish Country-Population in Finland towards the Middle of the Nineteenth Century". Sammelbände der Internationalen Musikgesellschaft. 13 (1): 107–114. JSTOR 929299. While in Sweden the hurdy-gurdy occupies the rank of a national instrument, like the kantele among the Finns, the Swedish country-population has not adopted either of these instruments, but has instead chosen the violin.
Isaacson, Lanae H. (Winter 1995). "Folk og Kultur: Arbog for Dansk Etnologi og Folkemindevidenskab". Scandinavian Studies. 67.n1 (2): 142. Mette Muller's initial essay on the folk musical instruments of Denmark and Scandinavia ("Folk - Folkelig - Folkelige musikinstrumenter i Danmark") circles around the central question of why Denmark did not develop a uniquely national instrument in the same way as Norway (hardingfele and langeleik), Finland (kantele), and Sweden (nyckelharpa and drejelire).