======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '137'
                                          'artist'  'Wurlitzer Theatre Organ'
                                     'text_people'  ''
                                         'release'  'Wurlitzer Theatre Organ'
                                           'title'  'Twelfth Street Rag'
                                           'quals'  ("['Q-HAP-3', 'Q-OLDST-2', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', "
 "'Q-HHRNBTT-1', 'q-syn-1', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['wurlitzer']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'mi-organ'
                                             'bpm'  '127.0'
                                             'key'  '5B'
                                        'acoustid'  ''
rest: ''

======================== rawer (from filesystem) ========================

'PRIV:AverageLevel:N\x04\x00\x00'                   PRIV(owner='AverageLevel', data=b'N\x04\x00\x00')
'PRIV:PeakValue:¥$\x00\x00'                         PRIV(owner='PeakValue', data=b'\xa5$\x00\x00')
'PRIV:WM/MediaClassPrimaryID:¼}`Ñ#ãâK\x86¡H¤*(D\x1e'  PRIV(owner='WM/MediaClassPrimaryID', data=b'\xbc}`\xd1#\xe3\xe2K\x86\xa1H\xa4*(D\x1e')
'PRIV:WM/MediaClassSecondaryID:\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'  PRIV(owner='WM/MediaClassSecondaryID', data=b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
'TALB' (Album/Movie/Show title)                     'Wurlitzer Theatre Organ'
'TBPM' (BPM (beats per minute))                     '127.0'
'TCON' (Content type, a.k.a. Genre)                 'mi-organ'
'TDRC' (Recording time)                             '2001'
'TIT2' (Title/songname/content description)         'Twelfth Street Rag'
'TKEY' (Initial key)                                '5B'
'TLEN' (Length)                                     '137000'
'TPE1' (Lead performer(s)/Soloist(s))               'Wurlitzer Theatre Organ'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   'wurlitzer'
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.38 dB'
'TXXX:replaygain_track_peak'                        '0.681000'

========================== row from database ==========================
                                              'id'  855161
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/wurlitzer theater/Wurlitzer Theatre Organ - 05 - Twelfth Street Rag!.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  137
                                           'genre'  mi-organ
                                        'filesize'  2753264
                                           'mtime'  1620524580
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm wurlitzer theater 05 Rag! mi organ
                                      'tag_artist'  Wurlitzer Theatre Organ
                                     'tag_release'  Wurlitzer Theatre Organ
                                       'tag_title'  Twelfth Street Rag
                                             'bpm'  127.0
                                    'search_title'  'rag':3 'street':2 'twelfth':1
                                   'search_artist'  'organ':3 'theatre':2 'wurlitzer':1
                                  'search_release'  'organ':3 'theatre':2 'wurlitzer':1
                                     'search_rest'  'mi':4 'organ':5 'rag':3 'theater':2 'wurlitzer':1
                                    'search_combo'  'mi':13 'organ':6B,9C,14 'rag':3A,12 'street':2A 'theater':11 'theatre':5B,8C 'twelfth':1A 'wurlitzer':4B,7C,10
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  5B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['wurlitzer']
                                        'tag_date'  2001
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620524579.7552695  (2021-05-09 03:42:59)
                             'size'  2753264