======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '252'
                                          'artist'  'Sagan'
                                     'text_people'  ''
                                         'release'  'Unseen Forces: Audio'
                                           'title'  'Credits'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['instrumental', 'post rock', 'experimental', 'croatian']"
                                     'discogstags'  "['abstract', 'electronic', 'experimental']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  '12'
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'electronic-experimental'
                                             'bpm'  '135.2'
                                             'key'  '7B'
                                        'acoustid'  ''
rest: ''

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

'COMM:iTunNORM:eng'                                 (' 00000A82 000008C5 000053BF 000117C3 00013C05 0000F497 000068EC 0000677A '
 '00021543 0002117D')
'COMM:iTunes_CDDB_IDs:eng'                          '12+A3AA9DAF80BCA9C0680CC9F8CEA9CF56+4274976'
'TALB' (Album/Movie/Show title)                     'Unseen Forces: Audio'
'TBPM' (BPM (beats per minute))                     '135.2'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental'
'TDRC' (Recording time)                             '2004'
'TENC' (Encoded by)                                 'iTunes v4.5'
'TIT2' (Title/songname/content description)         'Credits'
'TKEY' (Initial key)                                '7B'
'TPE1' (Lead performer(s)/Soloist(s))               'Sagan'
'TRCK' (Track number/Position in set)               '12/12'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  ['abstract', 'electronic', 'experimental']
'TXXX:lastfmtags'                                   ['instrumental', 'post rock', 'experimental', 'croatian']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.25 dB'
'TXXX:replaygain_track_peak'                        '0.417106'

========================== row from database ==========================
                                              'id'  1382603
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Sagan - Unseen Forces/12 Credits.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  252
                                           'genre'  electronic-experimental
                                        'filesize'  6064678
                                           'mtime'  1636917003
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm 12 electronic experimental
                                      'tag_artist'  Sagan
                                     'tag_release'  Unseen Forces: Audio
                                       'tag_title'  Credits
                                             'bpm'  135.2
                                    'search_title'  'credits':1
                                   'search_artist'  'sagan':1
                                  'search_release'  'audio':4 'forces':2,3 'unseen':1
                                     'search_rest'  'electronic':1 'experimental':2
                                    'search_combo'  'audio':6C 'credits':1A 'electronic':7 'experimental':8 'forces':4C,5C 'sagan':2B 'unseen':3C
                                    'tag_tracknum'  12
                                      'num_images'  0
                                             'key'  7B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-3', 'q-chart-2', 'q-other-4', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['instrumental', 'post rock', 'experimental', 'croatian']
                                        'tag_date'  2004
                                     'discogstags'  ['abstract', 'electronic', 'experimental']

============================== file details ==============================
                                           'mtime'  1636917002.5717428  (2021-11-14 20:10:02)
                             'size'  6064678