Analysis of information sources in references of the Wikipedia article "Bladder fiddle" in English language version.
instrument (the beggar musicians)...a long stick, bent by a fixed gut string...sound box made of a cattle bladder or a box made of wood or metal...played with toothed piece of wood or short horsehair bow>
põis pill Sõnaveeb etn seapõiest resonaatori ja soolest v. nöörist keel(t)ega eesti rahvapill (translation: ethn pig bladder resonator and intestine v. Estonian folk instrument with stringed language (s))
sounded with a horsehair bow, and the pitch can be changed by pressing down on the string. It has little use as a melody instrument, but can be useful for providing a drone and rhythm accompaniment..."stumpf fiddle" or stomp stick
Tomball German Heritage Festival in Tomball, Texas....The origin of the Boom-ba has been lost in the passage of time. Some believe it dates back to 18th or 19th century in the United States. The Dutch, Poles and Germans immigrants all claim to have originated it. The traditional Polish/German percussion instrument is made out of whatever materials immigrants had on hand. [note: talked to author, who said his information came from the lady in the photo that is part of the source for this quote.]
A boom-ba is spring loaded like a pogo stick and usually carries percussion tools like a wood block, a tambourine, a cow bell, assorted bells and drumming surfaces. It is played by bouncing the stick and hitting the various percussion elements with a drumstick...>
[Video of man playing a Stumpf Fiddle, showing percussive sounds that the modern folk instrument can play.]
[2-string Pūslinė played as bass instrument in a folk-music ensemble.]
[Rumerstang sold at Danish auction, a percussion instrument without any strings]
Pūslinė (Poispillid) estų liaudies muzikos instrumentas. Kopija. Sudaryta iš pūslės su vamzdeliu, pritvirtintu ant rėmo, lanko tipo, kurio vienas galas atremiamas į žemę. Priešingas galas - galvutė, su vienu varžtu stygai įtempti. Stygos laikikliai pagaminti iš žarnų.(translation: Poispillid is an instrument of Estonian folk music. Copy. Consisting of a bladder with a tube attached to a frame, an arc type, one end of which is supported on the ground. The opposite end is the head, with one screw tensioning the strings.)
Pūslinė is a string folk musical instrument played in ensembles...bass instrument which consists of a wooden stick, air-filled pig's bladder and intestines or small cords...1 to 3 strings...tuned using special wooden pegs.
variable and multidimensional folk instrument of diverse sound, shape and character...an accompaniment to dancing, but it was mainly used by beggars and itinerant musicians as entertainment at fairs. Today, it is mainly used in the carnival parade of masks
[Video showing Lithuanian folk ensemble, with pusline played as a bass instrument]
[Video of man playing a Stumpf Fiddle, showing percussive sounds that the modern folk instrument can play.]
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[2-string Pūslinė played as bass instrument in a folk-music ensemble.]
