Concert· Ludwigsburg
M-BL-2-NF: HSG Heilbronn 2
This appears to be a handball match designation for HSG Heilbronn 2, with "M-BL-2-NF" likely indicating a men's league fixture (such as a second men's Bezirksliga/regional league team with NF possibly denoting a pool or staffel grouping). In short, it refers to a competitive league game played by HSG Heilbronn's second men's handball team.