a cappella, (Italian: “in the church style”), performance of a polyphonic (multipart) musical work by unaccompanied voices. Originally referring to sacred choral music, the term now refers to secular music as well.

What is the difference between a cappella and acapella?

In referring to singing unaccompanied by instruments, the traditional spelling is the Italian one, a cappella: two words, two Ps, two Ls. ... The one-word spelling “acapella” is widely used by Americans, including by some performing groups, but this is generally regarded by music experts as an error.

What is an example of a cappella?

Examples of such professional groups include Straight No Chaser, Pentatonix, The House Jacks, Rockapella, Mosaic, Home Free and M-pact. There also remains a strong a cappella presence within Christian music, as some denominations purposefully do not use instruments during worship.