A interesting combination! Ibuki Haruhi is not a well-known term, but I can try to break it down and create a write-up based on the individual components.
She stands alone center stage with an acoustic guitar or a vintage Yamaha keyboard. Between songs, she does not banter. She sits in complete silence for 30 to 45 seconds, waiting for the room to become absolutely quiet. Fans have learned this ritual; coughing or clapping at the wrong moment is considered a faux pas. ibuki haruhi