Tango.info orchestra

This is a definition of the orchestra field as used in track meta data.

• if the orquestra has an orchestra name, this is used.
  • e.g. Quinteto Pirincho, Colortango, Orq. tipica Victor
• else, if the orchestra is known by the leader, use that
  • e.g. Francisco Canaro
• else, if a director is identified use his name.
  • e.g. Armando Cupo.
• else, if any other orchestra identification is available, use that,
• else, if any instrumentalists identification is available, use that,
• else, if no instruments play on the track, use "-", else
• else, use "?".