The most important terms at a glance
Quick definitions on e-invoicing, music, tax, and calendars – each linked to the matching feature.
Click a term to see the full definition.
The Camelot Wheel assigns each major and minor key an alphanumeric code (e.g. 8B, 5A) – ideal for harmonic mixing.
EN 16931 is the European standard for electronic invoices – the foundation of XRechnung and ZUGFeRD.
GEMA manages the copyrights to musical works in Germany and pays royalties to composers and lyricists.
The Leitweg-ID uniquely addresses public buyers in Germany's electronic invoicing system.
The lineup is the personnel of a band – with specific musicians on specific instruments for a given event.
RRULE is the recurrence rule of the iCal standard (RFC 5545) and defines recurring calendar events machine-readably.
A setlist is the planned order of songs during a live performance – including breaks, encores, and transitions.
The German small-business rule under § 19 UStG exempts small businesses from charging VAT on their invoices.
XRechnung is the standardized XML format for electronic invoices to public buyers in Germany.
ZUGFeRD is a hybrid invoice format combining PDF/A-3 with embedded XML – machine-readable and human-readable.
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