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Music Glossary A B C D E F G H I J L M N O P Q R S T U W X Y Z 1 3 - Half Note
- Half notes are so named because they receive half of the temporal duration as a whole note. The exact or even relative duration of an half note is difficult to surmise. It is contingent upon many things including the number of possible notes in a measure, the types of notes, the tempo of the music and the variability of the accented beat. In a "common" measure with a time signature of 4/4, the half note is counted as two strong beats, one and three. Exactly how long that lasts is dependent upon the tempo, but the count is still the same. When half notes are common in a time signature of 4/4 the measure will often be counted one, two, rather than one, two, three, four. This gives a counting system with which one can contend with half notes. In some time signatures, the half-note will not appear unless some unusual rhythms are sought by the composer. In a measure of 6/8 time which has six eighth notes, the emphasis is rarely, if ever, given on simply the first and fifth beats which could result if a measure was comprised of an half note and a quarter note. Other combinations in a 6/8 measure with half notes could include, a half note and two eighth notes, an eighth note, half note and eighth note, et cetera. The half note will almost always receive two beats in a measure of 1/2, 2/2, 2/4, and 4/4.
- Harmful to Minors
- Proposals to criminalize the sale to minors of certain sound recordings, sometimes based on the Parental Advisory Label. These proposals threaten the successful Parental Advisory Program the RIAA has had in place since 1985, which in turn would deprive consumers of an important tool for determining the lyrical content of sound recordings.
- Hemidemisemiquaver
- A hemidemisemiquaver is a sixty-fourth note. Hemidemisemiquavers receive one sixteenth of a beat in standard time signatures for they are one-sixteenth the duration of a quarter note and all quarter notes receive four beats in a measure, and one beat per note in common time 4/4. One-sixteenth of one quarter is one sixty fourth.
- Hologram
- Holographic decals depicting the RIAA logo that are placed on certified award plaques and sequentially numbered and registered at RIAA headquarters.
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Music Glossary 
