======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '122'
                                          'artist'  'Schwump'
                                     'text_people'  ''
                                         'release'  'The Big Green Sea'
                                           'title'  'Deserted Isle'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['insects', 'avant garde', 'outsider']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '07'
                                      'tracktotal'  ''
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'electronic-experimental'
                                             'bpm'  '138.6'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'COMM:iTunNORM:eng'                                 (' 00000D6D 00000895 00006851 000055D1 00004A14 000057DB 000082A1 00007AA2 '
 '00013C1F 00013C1F')
'COMM:iTunes_CDDB_1:eng'                            'BC07BD0E+148771+14+150+13023+26272+32627+42087+49845+67914+77077+87580+96937+109324+115242+131650+141577'
'COMM:iTunes_CDDB_TrackNumber:eng'                  '7'
'TALB' (Album/Movie/Show title)                     'The Big Green Sea'
'TBPM' (BPM (beats per minute))                     '138.6'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental'
'TDRC' (Recording time)                             '2008'
'TIT2' (Title/songname/content description)         'Deserted Isle'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Schwump'
'TRCK' (Track number/Position in set)               '07'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['insects', 'avant garde', 'outsider']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.58 dB'
'TXXX:replaygain_track_peak'                        '0.549852'

========================== row from database ==========================
                                              'id'  855640
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/schwump big green sea/07 deserted isle.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  122
                                           'genre'  electronic-experimental
                                        'filesize'  2934784
                                           'mtime'  1621854344
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm schwump big green sea 07 deserted isle electronic experimental
                                      'tag_artist'  Schwump
                                     'tag_release'  The Big Green Sea
                                       'tag_title'  Deserted Isle
                                             'bpm'  138.6
                                    'search_title'  'deserted':1 'isle':2
                                   'search_artist'  'schwump':1
                                  'search_release'  'big':2 'green':3 'sea':4 'the':1
                                     'search_rest'  'big':2 'deserted':5 'electronic':7 'experimental':8 'green':3 'isle':6 'schwump':1 'sea':4
                                    'search_combo'  'big':5C,9 'deserted':1A,12 'electronic':14 'experimental':15 'green':6C,10 'isle':2A,13 'schwump':3B,8 'sea':7C,11 'the':4C
                                    'tag_tracknum'  7
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['insects', 'avant garde', 'outsider']
                                        'tag_date'  2008
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621854344.035234  (2021-05-24 13:05:44)
                             'size'  2934784