Answer: YODEL

AnswerCrossword Clue
YODELTyrolean's tune
YODELTyrolean trill
YODELFeature of bluegrass singing
YODELTune involving intermittent falsetto
YODELProduce some cliff notes?
YODELSing like Slim Clark
YODELHigh air?
YODELSwiss Alps refrain
YODELMountain warble
YODELHigh-range song, in more ways than one
YODELSinging cowboy's refrain
YODELAlpine refrain
YODELSing "The Lonely Goatherd," e.g.
YODELSong accompanied by an alpenhorn
YODELSong associated with the Alps
YODELTyrolean tune
YODELAlpine air?
YODELAlpine warble
YODELAlpine aria
YODELSong from on high?
yodelto sing with a fluctuating voice, also JODEL, YODLE
YODELStunt in singing
YODELAlps song
YODELTyrolean refrain
YODELAlpine sound
YODELAlpine coil
YODELMountain air?
YODELOff-peak call?
YODELCall across vales
YODELHoller in the hills
YODELPeak performance?
YODELTyrolean song
YODELFalsetto-hitting call
YODELSing "Lovesick Blues," in part
YODELAlpine call
YODELSing on the slopes
YODELSing "The Lonely Goatherd," say
YODELAlpine air
YODELMountain air
YODELChange registers frequently