======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '177'
                                          'artist'  'Tapiman'
                                     'text_people'  ''
                                         'release'  'Tapiman'
                                           'title'  'Sugar Stone'
                                           'quals'  ("['Q-OLDST-2', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-SYN-2', 'Q-BUSY-3', 'Q-GRIT-2', 'Q-MIXBEAT-2', 'Q-PLAY-3', 'q-bass-4', "
 "'Q-CHART-1', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-2']")
                                      'lastfmtags'  ("['good beat', 'hard rock', 'progressive rock', 'psychedelic', 'acordes "
 "geniales']")
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  '12'
                                            'date'  '1993'
                                        'comments'  ''
                                           'genre'  'rock-cppex'
                                             'bpm'  '100.8'
                                             'key'  '9A'
                                        'acoustid'  '1a9984fd-fa7a-453f-ac7d-eeea6bba51ff'
rest: ''

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

'COMM::eng'                                         'Track 12'
'PRIV:AverageLevel:{\x11\x00\x00'                   PRIV(owner='AverageLevel', data=b'{\x11\x00\x00')
'PRIV:PeakValue:!v\x00\x00'                         PRIV(owner='PeakValue', data=b'!v\x00\x00')
'TALB' (Album/Movie/Show title)                     'Tapiman'
'TBPM' (BPM (beats per minute))                     '100.8'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex'
'TDOR' (Original release time)                      '1972'
'TDRC' (Recording time)                             '1993'
'TENC' (Encoded by)                                 'Exact Audio Copy   (Burst mode)'
'TIT2' (Title/songname/content description)         'Sugar Stone'
'TKEY' (Initial key)                                '9A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Tapiman'
'TPE2' (Band/orchestra/accompaniment)               'Tapiman'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'PDI'
'TRCK' (Track number/Position in set)               '12/12'
'TSO2'                                              'Tapiman'
'TSOP' (Performer sort order)                       'Tapiman'
'TXXX:Acoustid Id'                                  '1a9984fd-fa7a-453f-ac7d-eeea6bba51ff'
'TXXX:Artists'                                      'Tapiman'
'TXXX:CATALOGNUMBER'                                'X-80.3053'
'TXXX:MusicBrainz Album Artist Id'                  '90fe7e97-347b-449d-9556-09ce39ce6821'
'TXXX:MusicBrainz Album Id'                         '16f2411b-bf06-4de9-928b-78219df711ee'
'TXXX:MusicBrainz Album Release Country'            'ES'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '90fe7e97-347b-449d-9556-09ce39ce6821'
'TXXX:MusicBrainz Release Group Id'                 '218a5c3a-10ff-3f57-b319-57303af2b2a4'
'TXXX:MusicBrainz Release Track Id'                 '0e59c46f-f187-33ee-9bc5-f17f60318606'
'TXXX:Q-BUSY'                                       '3'
'TXXX:Q-CHART'                                      '1'
'TXXX:Q-GRIT'                                       '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-MIXBEAT'                                    '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-SYN'                                        '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['good beat',
 'hard rock',
 'progressive rock',
 'psychedelic',
 'acordes geniales']
'TXXX:originalyear'                                 '1972'
'TXXX:q-bass'                                       '4'
'TXXX:q-drums'                                      '4'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-2.38 dB'
'TXXX:replaygain_track_peak'                        '0.924033'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'd3bc8aa6-d898-46e0-8c59-7b4af1726a99')

========================== row from database ==========================
                                              'id'  1481601
                                            'path'  /data/Music/Bulk/00poprockelectronic/Tapiman - id. (1972 hard. heavypsych.)/tapiman-12 - sugar stone #.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  177
                                           'genre'  rock-cppex
                                        'filesize'  4266181
                                           'mtime'  1620737311
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic id. (1972 hard. heavypsych.) tapiman 12 sugar stone # rock cppex
                                      'tag_artist'  Tapiman
                                     'tag_release'  Tapiman
                                       'tag_title'  Sugar Stone
                                             'bpm'  100.8
                                    'search_title'  'stone':2 'sugar':1
                                   'search_artist'  'tapiman':1
                                  'search_release'  'tapiman':1
                                     'search_rest'  '00poprockelectronic':1 '1972':4,5 'cppex':14 'hard':6,7 'heavypsych':8,9 'id':2,3 'rock':13 'stone':12 'sugar':11 'tapiman':10
                                    'search_combo'  '00poprockelectronic':5 '1972':8,9 'cppex':18 'hard':10,11 'heavypsych':12,13 'id':6,7 'rock':17 'stone':2A,16 'sugar':1A,15 'tapiman':3B,4C,14
                                    'tag_tracknum'  12
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'Q-MIXBEAT-2', 'Q-OLDST-2', 'Q-GRIT-2', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-CHART-1', 'q-drums-4', 'Q-SYN-2', 'q-other-2', 'Q-BUSY-3', 'Q-PLAY-3', 'q-bass-4']
                                      'lastfmtags'  ['good beat', 'hard rock', 'progressive rock', 'psychedelic', 'acordes geniales']
                                        'tag_date'  1993
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620737310.5668323  (2021-05-11 14:48:30)
                             'size'  4266181