#Mass  the celebration of the Eucharist (in the Roman Catholic Church and some Protestant Churches)
  supertype:  religious_ceremony__religiousceremony__religious_ritual__religiousritual  a ceremony having religious meaning
  subtype:  High_Mass  a solemn and elaborate Mass with music
  subtype:  Low_Mass  a Mass recited without music
  subtype:  Requiem  a Mass celebrated for the dead

No statement uses or specializes Mass; click here to add one.