mysterious, adj. Exciting wonder, curiosity, or surprise while baffling efforts to comprehend or identify. E.g., Anna Thorvaldsdottir’s Sequences.
Anna Thorvaldsdottir (1977-), Sequences (bass flute, bass clarinet, baritone saxophone, contrabassoon), 2016; International Contemporary Ensemble (ICE), live, New York, 2016
in the big rain
—Kobayashi Issa, 1763-1827 (translated from Japanese by David G. Lanoue)