"...? This is..."
Just then, Aristy returned to camper van from outside.
She noticed the BGM.
"Music is playing... this too is Lady's doing?"
"Yes. I installed speakers to play recorded piano pieces."
"Recording..."
"Recording is the audio-only version of video recording. You can save performed music and reproduce it repeatedly."
"I see. So you saved only audio with video camera."
"Hmm... well, something like that?"
Aristy's interpretation seems slightly wrong, but if she's convinced, that's fine.
I said:
"I'll teach Aristy how to operate BGM too."
"BGM...?"
I teach Aristy control panel operation including music terminology.
First about play and stop.
"See these three buttons? The leftmost is play button. Middle is stop. BGM is currently playing, so let me press stop."
Pressing stop, BGM disappeared.
Pressing play again, BGM starts flowing.
"Play and stop can be done easily."
"Yes. Also, rightmost is pause button. When wanting to listen from where you heard previously, pausing with pause button is good."
"I-I see..."
Aristy was slightly surprised at flexible adjustment.
Next, volume control explanation.
"Now next... here you can set volume with plus-minus. For example, pressing plus button increases volume."
I tried pressing plus button five times.
Living room BGM volume jumped to slightly noisy level.
"Th-this is amazing... volume can be changed this easily?"
"Yes. Pressing minus button decreases volume, so please set to preferred volume."
I pressed minus button, returning BGM to original volume.
"Finally... actually, I've currently made about 20 songs playable."
"20 songs... you can listen anytime. Technology that would make musicians faint."
It's just 20 songs though.
I'm thinking to increase to 100, 200 songs.
"...So, those 20 songs are numbered 1-20. For example, to listen to song 17, enter 17 in this form and press play button."
I demonstrate before Aristy.
Song 17 is Waltz of the Flowers from The Nutcracker.
Gorgeous music begins playing.
Aristy was impressed.
"Wonderful creation! This is what they mean by perfect! Lady's inventions are not only advanced but overflow with high convenience reaching itchy spots."
"Well, Japan has abundant service spirit..."
Creating thoroughly customer-like, detailed products is the Japanese way.
"Anyway, music can be played anytime now. That concludes the usage explanation."
"Thank you. I'm very excited to hear what songs are available."
Before I knew it, it became noon.
Let's casually have leisurely lunch while listening to BGM.