noun-modifying (irregular), noun which may take the genitive case particle 'no', na-adjective
Hawaiian (style, culture, etc.)
Used attributively to describe things related to Hawaii, such as music, food, or atmosphere. Can be used with な or の.
ハワイアンな雰囲気のレストランに行った。
I went to a restaurant with a Hawaiian atmosphere.
ハワイアンミュージックが好きです。
I like Hawaiian music.
noun
Hawaiian music
Abbreviation of ハワイアン音楽. Used as a noun referring to the genre of Hawaiian music.
See also: ハワイアン音楽
週末はハワイアンを聴いてリラックスする。
On weekends I relax by listening to Hawaiian music.