======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '183'
                                          'artist'  'Al Green'
                                     'text_people'  ''
                                         'release'  'The Very Best of Al Green'
                                           'title'  'L-O-V-E (Love)'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'q-syn-2', 'q-bass-4', 'q-busy-2', 'q-grit-2', "
 "'q-play-2', 'Q-JZFKS-3', 'Q-OLDST-2', 'q-chart-4', 'q-drums-3', 'q-other-2', "
 "'q-piano-1', 'q-vocals-3', 'Q-HHRNBTT-1', 'q-mixbeat-2', 'Q-LOCALNESS-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  '19'
                                            'date'  '1997'
                                        'comments'  ''
                                           'genre'  'funk or soul-soul'
                                             'bpm'  '110.603'
                                             'key'  '7B'
                                        'acoustid'  'fddd0a84-0046-41c8-9730-aa62e5c3e6a5'
rest: ''

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

'TALB' (Album/Movie/Show title)                     'The Very Best of Al Green'
'TBPM' (BPM (beats per minute))                     '110.603'
'TCON' (Content type, a.k.a. Genre)                 'funk or soul-soul'
'TDOR' (Original release time)                      '1997'
'TDRC' (Recording time)                             '1997'
'TIT2' (Title/songname/content description)         'L-O-V-E (Love)'
'TKEY' (Initial key)                                '7B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Al Green'
'TPE2' (Band/orchestra/accompaniment)               'Al Green'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Crimson Productions'
'TRCK' (Track number/Position in set)               '3/19'
'TSO2'                                              'Green, Al'
'TSOP' (Performer sort order)                       'Green, Al'
'TSRC' (ISRC (international standard recording code))  'GBAFR7510002/USFP71329101'
'TXXX:ARTISTS'                                      'Al Green'
'TXXX:ASIN'                                         'B000006BCH'
'TXXX:Acoustid Id'                                  'fddd0a84-0046-41c8-9730-aa62e5c3e6a5'
'TXXX:BARCODE'                                      '5033093003820'
'TXXX:CATALOGNUMBER'                                'CRIMCD38'
'TXXX:Mp3gain_minmax'                               '086,207'
'TXXX:Mp3gain_undo'                                 '+003,+003,N'
'TXXX:MusicBrainz Album Artist Id'                  'fb7272ba-f130-4f0a-934d-6eeea4c18c9a'
'TXXX:MusicBrainz Album Id'                         'bf6b7c08-9af1-4d34-8ef8-0a2ffbd6d525'
'TXXX:MusicBrainz Album Release Country'            'GB'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album/compilation'
'TXXX:MusicBrainz Artist Id'                        'fb7272ba-f130-4f0a-934d-6eeea4c18c9a'
'TXXX:MusicBrainz Release Group Id'                 'acd9096f-993d-3986-9451-45c7344807d7'
'TXXX:MusicBrainz Release Track Id'                 '3cb09196-da72-3d4b-9517-621f0a129b00'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:originalyear'                                 '1997'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.32 dB'
'TXXX:replaygain_track_peak'                        '0.570859'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'25c34046-58ae-4399-91c4-41980c624cf2')

========================== row from database ==========================
                                              'id'  1266958
                                            'path'  /data/Music/Bulk/00popandrock-swing-funk-soul/Al Green/Best of/Al Green - L-O-V-E (Love).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  183
                                           'genre'  funk or soul-soul
                                        'filesize'  4410184
                                           'mtime'  1679827852
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock swing funk soul funk or soul soul
                                      'tag_artist'  Al Green
                                     'tag_release'  The Very Best of Al Green
                                       'tag_title'  L-O-V-E (Love)
                                             'bpm'  110.603
                                    'search_title'  'e':4 'l':1 'love':5,6 'o':2 'v':3
                                   'search_artist'  'al':1 'green':2
                                  'search_release'  'al':5 'best':3 'green':6 'of':4 'the':1 'very':2
                                     'search_rest'  'funk':2 'or':4 'soul':3 'swing':1
                                    'search_combo'  'al':7B,13C 'best':11C 'e':4A 'funk':16 'green':8B,14C 'l':1A 'love':5A,6A 'o':2A 'of':12C 'or':18 'soul':17 'swing':15 'the':9C 'v':3A 'very':10C
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  7B
                                           'quals'  ['Q-HAP-3', 'Q-UNU-1', 'q-syn-2', 'q-bass-4', 'q-busy-2', 'q-grit-2', 'q-play-2', 'Q-JZFKS-3', 'Q-OLDST-2', 'q-chart-4', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-3', 'Q-HHRNBTT-1', 'q-mixbeat-2', 'Q-LOCALNESS-1']
                                      'lastfmtags'  []
                                        'tag_date'  1997
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1679827852.47846  (2023-03-26 12:50:52)
                             'size'  4410184