======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '180'
                                          'artist'  'B.B. and Group'
                                     'text_people'  ''
                                         'release'  'Negro Prison Blues and Songs'
                                           'title'  'Old Alabama'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-UNU-2', 'Q-LOCALNESS-3', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-2', 'q-other-1', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['blues', '40s', 'usa', 'prison', 'old']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  '23'
                                            'date'  '1994'
                                        'comments'  ''
                                           'genre'  'prerock-unsorted;loc-namerica'
                                             'bpm'  '139.6'
                                             'key'  '12A'
                                        'acoustid'  '6a7b1cd6-9d85-48c4-8c74-e7e63b14f5f7'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Negro Prison Blues and Songs'
'TBPM' (BPM (beats per minute))                     '139.6'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 ['prerock-unsorted', 'loc-namerica']
'TDOR' (Original release time)                      '1994'
'TDRC' (Recording time)                             '1994-07-19'
'TIT2' (Title/songname/content description)         'Old Alabama'
'TKEY' (Initial key)                                '12A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'B.B. and Group'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Legacy International'
'TRCK' (Track number/Position in set)               '3/23'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       'B.B. and Group'
'TXXX:ASIN'                                         'B000QQWXAS'
'TXXX:Acoustid Id'                                  '6a7b1cd6-9d85-48c4-8c74-e7e63b14f5f7'
'TXXX:Artists'                                      'B.B. and Group'
'TXXX:BARCODE'                                      '076637032622'
'TXXX:CATALOGNUMBER'                                'CD 326'
'TXXX:MusicBrainz Album Artist Id'                  '89ad4ac3-39f7-470e-963a-56509c546377'
'TXXX:MusicBrainz Album Id'                         '59734c31-c349-4daa-aa23-41c635561652'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album/compilation'
'TXXX:MusicBrainz Artist Id'                        '36a7c4b8-0dd5-41b1-80f0-2c8b6de29f93'
'TXXX:MusicBrainz Release Group Id'                 'd53c6d86-d3ae-3d86-b2e5-a7057e5bd4f4'
'TXXX:MusicBrainz Release Track Id'                 '719cf3b2-7e33-3074-a31b-1c24ccf536fe'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '2'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['blues', '40s', 'usa', 'prison', 'old']
'TXXX:originalyear'                                 '1994'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.17 dB'
'TXXX:replaygain_track_peak'                        '1.006825'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'ed593bee-3f15-4112-ab72-23a84da3de01')

========================== row from database ==========================
                                              'id'  1119135
                                            'path'  /data/Music/Bulk/00localcharacter/01714 - Alan Lomax Prison Songs - Parchman Farm Vol.1 - Murderous Home/03 - BB & Group - Old Alabama.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  180
                                           'genre'  prerock-unsorted;loc-namerica
                                        'filesize'  2963186
                                           'mtime'  1621629600
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 01714 Alan Lomax Parchman Farm Vol.1 Murderous Home 03 BB & prerock unsorted;loc namerica
                                      'tag_artist'  B.B. and Group
                                     'tag_release'  Negro Prison Blues and Songs
                                       'tag_title'  Old Alabama
                                             'bpm'  139.6
                                    'search_title'  'alabama':2 'old':1
                                   'search_artist'  'and':4 'b':1,2 'bb':3 'group':5
                                  'search_release'  'and':4 'blues':3 'negro':1 'prison':2 'songs':5
                                     'search_rest'  '01714':1 '1':7 'alan':2 'bb':11 'farm':5 'home':10 'loc':14,16 'lomax':3 'murderous':9 'namerica':17 'parchman':4 'prerock':12 'unsorted':13,15 'vol':6 'vol1':8
                                    'search_combo'  '01714':13 '1':19 'alabama':2A 'alan':14 'and':6B,11C 'b':3B,4B 'bb':5B,23 'blues':10C 'farm':17 'group':7B 'home':22 'loc':26,28 'lomax':15 'murderous':21 'namerica':29 'negro':8C 'old':1A 'parchman':16 'prerock':24 'prison':9C 'songs':12C 'unsorted':25,27 'vol':18 'vol1':20
                                    'tag_tracknum'  3
                                      'num_images'  1
                                             'key'  12A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-1', 'Q-UNU-2', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-2', 'q-syn-1', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['blues', '40s', 'usa', 'prison', 'old']
                                        'tag_date'  1994
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621629600.3208723  (2021-05-21 22:40:00)
                             'size'  2963186