polychord

Polycord, also referred to as urethane or polyurethane cord, is the standard material in producing polyurethane belts and O-rings. These Polyurethane O Rings most commonly known as O ring drive belts run conveyors in most of the manufacturing and distribution centers around the world.

In jazz harmony, a polychord is the combination of two simple chord structures to create a more complex harmonic sound. Jazz pianists use polychordal understanding as a mental shortcut for quickly recognizing chord symbols with multiple extensions and/or alterations.

So to recap: Slash chords use a “slash” and consist of a chord to the left of the slash, and a bass note to the right. Polychords use a “dividing line” and consist of a chord on top (which is played in the higher register) and a chord on bottom (which is played in the lower register).

So for example a D major triad. Over a C major triad. It's written as two chords one on top of the other separated. By a horizontal.

Poly Cord is multi-purpose. Used to sew up seams, patch tears and secure netting to overhead supports.

The kolitong is a bamboo polychordal tube zither from Bontok, Kalinga, Philippines with six strings that run parallel to its tube body. The strings are numbered from one to six, from lowest to highest pitch. The body acts as the instrument's resonator.

Polytonality refers to two tonal centers being used at the same time. A lot of contemporary, serious composers, classical composers, use two tonal centers called polytonality. A polychord is different. A polychord is two cords put together.

Rhythm slashes are diagonal lines positioned on staves that are used to indicate that performers should play something, but without specifying the exact rhythms and pitches. They are often accompanied by chord symbols to indicate the set of notes the performer should use.

For example a polychord containing a D7 chord with the notes D, F#, A, and C paired with an E major triad with the notes E, G#, and B have tonalities of G major and E major at the same time.

Polytonality (also polyharmony) is the musical use of more than one key simultaneously. Bitonality is the use of only two different keys at the same time.

Polychordal tube zithers are widespread in the Philippines. They are found in the Cordilleras and in the Mindanao and Palawan area. The instrument is made from a bamboo tube (approximately 10 cm. in diameter and averaging half a meter long) closed on both ends by nodes, which are partially opened for more resonance.

The tube zither is a stringed musical instrument in which a tube functions both as an instrument's neck and its soundbox. As the neck, it holds strings taut and allows them to vibrate. As a soundbox, it modifies the sound and transfers it to the open air.