======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '140'
                                          'artist'  'Bob Taylor'
                                     'text_people'  ''
                                         'release'  'Las Vegas Grind, Part 1'
                                           'title'  'After Hours'
                                           'quals'  ("['Q-HAP-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-syn-2', 'q-bass-1', "
 "'q-busy-2', 'q-grit-2', 'q-play-3', 'q-chart-2', 'q-drums-3', 'q-other-3', "
 "'q-piano-1', 'q-vocals-2', 'Q-HHRNBTT-1', 'q-mixbeat-2', 'Q-LOCALNESS-1']")
                                      'lastfmtags'  "['house', 'all', 'electronic', 'dance', 'rockabilly']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  '31'
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'rock-pop-early-rocknroll'
                                             'bpm'  '118.845'
                                             'key'  '7B'
                                        'acoustid'  'b2e315f9-f1bb-43af-a75e-28fa1158aaa3'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            ' 0000297B 00000159 0000A10B'
'COMM:iTunNORM:eng'                                 (' 0000297B 00000159 0000A10B 00003937 0000BC29 0000B6A7 00005ECA 00006631 '
 '0001AFBC 0001F49C')
'COMM:iTunes_CDDB_IDs:eng'                          '31+1DB860B6D458143F571852F3CEAB125A+523117'
'TALB' (Album/Movie/Show title)                     'Las Vegas Grind, Part 1'
'TBPM' (BPM (beats per minute))                     '118.845'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'rock-pop-early-rocknroll'
'TDRC' (Recording time)                             '2005'
'TENC' (Encoded by)                                 'iTunes v4.9.0.17'
'TIT2' (Title/songname/content description)         'After Hours'
'TKEY' (Initial key)                                '7B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Bob Taylor'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '3/31'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       'Taylor, Bob'
'TXXX:Acoustid Id'                                  'b2e315f9-f1bb-43af-a75e-28fa1158aaa3'
'TXXX:Artists'                                      'Bob Taylor'
'TXXX:MusicBrainz Album Artist Id'                  '89ad4ac3-39f7-470e-963a-56509c546377'
'TXXX:MusicBrainz Album Id'                         'e65f11d8-efd9-460a-9639-d3e3fb6f3dfc'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album/compilation'
'TXXX:MusicBrainz Artist Id'                        'cf39d071-545f-412f-b832-8146ca2a5202'
'TXXX:MusicBrainz Release Group Id'                 '52bc8d34-9ee4-3515-8bee-62fdfc040f05'
'TXXX:MusicBrainz Release Track Id'                 '9b279392-0cfd-3630-aa0a-975ebcd7aca5'
'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:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['house', 'all', 'electronic', 'dance', 'rockabilly']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.93 dB'
'TXXX:replaygain_track_peak'                        '0.340391'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'8483965b-3de5-4343-a97a-aab01240fc4a')

========================== row from database ==========================
                                              'id'  1357211
                                            'path'  /data/Music/Bulk/00poprockelectronic/las vegas grinds/03 After Hours.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  140
                                           'genre'  rock-pop-early-rocknroll
                                        'filesize'  2864482
                                           'mtime'  1621696873
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic las vegas grinds 03 rock pop early rocknroll
                                      'tag_artist'  Bob Taylor
                                     'tag_release'  Las Vegas Grind, Part 1
                                       'tag_title'  After Hours
                                             'bpm'  118.845
                                    'search_title'  'after':1 'hours':2
                                   'search_artist'  'bob':1 'taylor':2
                                  'search_release'  '1':6 'grind':3,4 'las':1 'part':5 'vegas':2
                                     'search_rest'  '00poprockelectronic':1 'early':7 'grinds':4 'las':2 'pop':6 'rock':5 'rocknroll':8 'vegas':3
                                    'search_combo'  '00poprockelectronic':11 '1':10C 'after':1A 'bob':3B 'early':17 'grind':7C,8C 'grinds':14 'hours':2A 'las':5C,12 'part':9C 'pop':16 'rock':15 'rocknroll':18 'taylor':4B 'vegas':6C,13
                                    'tag_tracknum'  3
                                      'num_images'  1
                                             'key'  7B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['house', 'all', 'electronic', 'dance', 'rockabilly']
                                        'tag_date'  2005
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1621696872.544809  (2021-05-22 17:21:12)
                             'size'  2864482