In the page's words:

Schubert Muzsic Publishing GmbH is an international company and serves various specialist areas of the music industry.

Schubert Music Live is an organizer and booking agency for various concerts and tours in Germany, Austria and Switzerland. International booking with partners and foreign offices possible.

Imprint:

Schubert Music Publishing GmbH
Hofweg 61a
22085 Hamburg

Commercial register: HRB 127137
Register court: Hamburg

Represented by:
Toralf Sterze

Sales tax ID

Sales tax identification number according to § 27 a sales tax law:
DE267837832