ニットー

Kouta (小唄, “little song”) is an intimate Japanese shamisen-vocal genre that crystallized in the late Edo and early Meiji eras. It is typically performed by geisha in teahouse settings, featuring concise, poetic lyrics and subtle vocal ornamentation over sparse shamisen accompaniment. Unlike the grand, theatrical idioms of kabuki-related music, kouta prizes understatement, wordplay, and nuance. The songs are short, often strophic, and draw on seasonal imagery, love, and everyday urban life. Melodically, kouta favors pentatonic modalities common to Japanese traditional music (especially in- and yo-based scales), flexible tempo, and the expressive use of ma (silence/space).

Jazz is an improvisation-centered music tradition that emerged from African American communities in the early 20th century. It blends blues feeling, ragtime syncopation, European harmonic practice, and brass band instrumentation into a flexible, conversational art. Defining features include swing rhythm (a triplet-based pulse), call-and-response phrasing, blue notes, and extended harmonies built on 7ths, 9ths, 11ths, and 13ths. Jazz is as much a way of making music—spontaneous interaction, variation, and personal sound—as it is a set of forms and tunes. Across its history, jazz has continually hybridized, from New Orleans ensembles and big-band swing to bebop, cool and hard bop, modal and free jazz, fusion, and contemporary cross-genre experiments. Its influence permeates global popular and art music.