syntax = "proto3";

package examples.spanner.music;

message SingerInfo {
  optional int64 singer_id = 1;
  optional string birth_date = 2;
  optional string nationality = 3;
  optional Genre genre = 4;
}

enum Genre {
  POP = 0;
  JAZZ = 1;
  FOLK = 2;
  ROCK = 3;
}
