conductor [leitung] Oskar Hackenberger
Published By Ammré
Electric recorded Enregistrement électrique Impresionado electricamente Elektrisch aufgenommen

Side A: Ammre Lizenz Marsch

Made in Germany

Hagemann is not given a specific credit, but since Hackenberg is given Leitung, Hagemann is presumably the Leader, i.e. 1st instrumentalist.
Matrix / Runout: T. M 20451 (Label Side A)
Matrix / Runout: T. M 20452 (Label Side B)
Matrix / Runout: 20451¹ Ⓖ MECH. COPYRIGHT BERLIN 1928 (Runout Side A)
Matrix / Runout: 20452¹ MECH. COPYRIGHT BERLIN 1928 Ⓖ (Runout Side B)