public ConcertCreateService(IConcertDataAccess concertDataAccess, ICityGetService cityGetService,
IBandGetService bandGetService)
{
ConcertDataAccess = concertDataAccess;
BandGetService = bandGetService;
CityGetService = cityGetService;
}
public ConcertGetService(IConcertDataAccess cityDataAccess)
{
this.ConcertDataAccess = cityDataAccess;
}