Tone bending is a singing technique used in psalm singing. a singing technique used in Negro spirituals. a process used in shape notation. a style of singing brought to American by English settlers.

Answer:tone bending is a style of singing process used in shape notation.

Explanation: This process is commonly used by instrumentalist especially the ones that handle guitar.

It's done bending the keys and producing a sound or group of sounds that seems as if they are bent.