Della's work was featured on the TV Tokyo program "Nanairo Biyori!" which aired on Monday, June 5th.

The program featured Miho Mitsuhashi, a sleep therapist and sleep environment planner who has been involved in many of Della's works as a supervisor, and she spoke about creating a good sleep environment from various angles.

■Program name: TV Tokyo "Nanairo Biyori!"

■ Broadcast time: TV Tokyo: Every Monday to Thursday, 9:28am to 11:13am

BS JAPAN : Every Monday to Thursday, 10:01am to 11:13am

■ Cast: Hirohide Yakumaru, Miyuki Kosaka, daily reporters, etc.

Monday and Tuesday announcer: Kasuga Nozawa Wednesday and Thursday announcer: Kazuki Shimada

The two works featured on the program are:

☆The ultimate sleep music☆

☆Solfeggio Healing 528 ~Frequencies that lead to ideal sleep☆