public IActionResult GetBandMembers(Guid bandId)
        {
            if (!_bandRepository.BandExists(bandId))
            {
                return(NotFound());
            }
            var bandMembers    = _repository.getBandMembers(bandId);
            var bandMemberDtos = new List <MusicianDto>(bandMembers.Count);

            foreach (Musician musician in bandMembers)
            {
                bandMemberDtos.Add(new MusicianDto
                {
                    MusicianId   = musician.MusicianId,
                    Name         = musician.Name,
                    PersonalPage = musician.PersonalPage
                });
            }
            return(Ok(bandMemberDtos));
        }