voice-frequency ringing set
21Barbershop music — Barbershop vocal harmony, as codified during the barbershop revival era (1940s present), is a style of a cappella, or unaccompanied vocal music characterized by consonant four part chords for every melody note in a predominantly homophonic… …
22Amplifier — For other uses, see Amplifier (disambiguation). Generally, an amplifier or simply amp, is a device for increasing the power of a signal. In popular use, the term usually describes an electronic amplifier, in which the input signal is usually a… …
23United Kingdom — a kingdom in NW Europe, consisting of Great Britain and Northern Ireland: formerly comprising Great Britain and Ireland 1801 1922. 58,610,182; 94,242 sq. mi. (244,100 sq. km). Cap.: London. Abbr.: U.K. Official name, United Kingdom of Great… …
24stage design — Aesthetic composition of a dramatic production as created by lighting, scenery, costumes, and sound. While elements such as painted screens and wheeled platforms were used in the Greek theatre of the 4th century BC, most innovations in stage… …
25Cochlear implant — A cochlear implant (CI) is a surgically implanted electronic device that provides a sense of sound to a person who is profoundly deaf or severely hard of hearing. The cochlear implant is often referred to as a bionic ear. As of December 2010,… …
26Glossary of firefighting equipment — Note: This list is incomplete. You can help Wikipedia by [http://en.wikipedia.org/w/index.php?title=Glossary of firefighting equipment action=edit adding to it] . 0 9 * 1 3/4 inch hose: see attack hose * 2 1/2 inch hose: see attack hose , supply… …
27Kurzweil K250 — The Kurzweil K250 a.k.a. Kurzweil 250 , K250 or K 250 , manufactured by Kurzweil Music Systems was the first combined live performance and studio electronic musical instrument which produced sound derived from sampled sounds (see:Sampler (musical …
28Piano — Pianoforte redirects here. For earlier versions of the instrument, see Fortepiano. For other uses of Piano, see Piano (disambiguation). Piano Bösendorfer grand piano Keyboard instrument …
29attention — attentional, adj. n. /euh ten sheuhn/; interj. /euh ten shun /, n. 1. the act or faculty of attending, esp. by directing the mind to an object. 2. Psychol. a. a concentration of the mind on a single object or thought, esp. one preferentially… …
30List of Late Night with Conan O'Brien sketches — For a list of sketches that debuted on The Tonight Show with Conan O Brien, see List of The Tonight Show with Conan O Brien sketches. The following is a list of sketches which debuted on Late Night with Conan O Brien on NBC. Contents 1 Late Night …
