Undersingeing
Undersingeing is a vocal technique where a singer intentionally produces a tone that is lower in pitch than the intended note. This can be achieved through various methods, often involving slight relaxation of the vocal cords or a change in breath support. The effect can range from a subtle coloratura embellishment to a more pronounced, almost slurping sound, depending on the desired artistic outcome. It is not to be confused with flat singing, which is generally an unintentional deviation from the correct pitch.
This technique is often employed for expressive purposes in certain musical genres. In jazz and blues, for