Violin technique once. "Double stopping" is also used to mean playing on three or all four strings at once, although such practices are more properly called "triple" or "quadruple stopping". Collectively, double, triple and quadruple stopping is called "multiple stopping". However, triple or quadruple stopping is more commonly just called a chord. Sounding an open string alongside a fingered note is another way to get a harmony. While sometimes also called a double stop, it is more properly called a drone, as the drone note (the open string) may be sustained for a passage of different notes played on the adjacent string.
Quadruple reed to play". Presumably a quadruple reed is folded twice, in opposite directions, instead of once (\/\ or \/\/ instead of \/ shaped), or either folded twice in the same direction or wrapped around (◎ instead of ○ shaped). Both options could result in what may be considered a doubly thick double reed. Quadruple reed A quadruple reed is a type of reed by means of which the sound is originated in various wind instruments. The term "quadruple reed" comes from the fact that there are four pieces of dried palm leaf vibrating against each other, in pairs. A quadruple reed,