Question

What is the difference between those "acapella" and "filtered acapella" videos?

Answer 1

acappella is technically defined as singing without instrumental accompaniment, some groups use their voices to emulate instruments; others are more traditional and focus on harmonizing. 

Answer 2

The conventional spelling for singing that is unaccompanied by instruments is a cappella, which has two words, two Ps, and two Ls.

• We learn how to spell a capella in Latin, but when it comes to musical vocabulary, we frequently use Italian.
• Although many Americans, including some performance groups, spell "acapella" with just one word, music specialists usually consider this to be incorrect.
• A capella is an Italian expression that translates to "like you would in The Chapel," and it refers to singing.
• The Michelangelo-ceilinged church known as the Sistine Chapel is the inspiration for this allusion.
• Since it cannot accommodate an orchestra, vocalists have traditionally performed there unaccompanied.
• Thus, from about 1600, all unaccompanied singing has been referred to as "a capella."

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