======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '171'
                                          'artist'  'Schwump'
                                     'text_people'  ''
                                         'release'  'The Big Green Sea'
                                           'title'  'Fishies in the Big Green Sea'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['insects', 'avant garde', 'outsider']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '01'
                                      'tracktotal'  ''
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'electronic-experimental'
                                             'bpm'  '125.1'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

'COMM:iTunNORM:eng'                                 (' 000009D6 00000606 00018E12 00010BAD 000172D0 000172D0 000087B6 0000874E '
 '00019C72 0001EEE5')
'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'                  '1'
'TALB' (Album/Movie/Show title)                     'The Big Green Sea'
'TBPM' (BPM (beats per minute))                     '125.1'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental'
'TDRC' (Recording time)                             '2008'
'TIT2' (Title/songname/content description)         'Fishies in the Big Green Sea'
'TKEY' (Initial key)                                '9B'
'TPE1' (Lead performer(s)/Soloist(s))               'Schwump'
'TRCK' (Track number/Position in set)               '01'
'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'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.86 dB'
'TXXX:replaygain_track_peak'                        '0.532443'

========================== row from database ==========================
                                              'id'  855725
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/schwump big green sea/01 fishies in the big green sea.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  171
                                           'genre'  electronic-experimental
                                        'filesize'  4122624
                                           'mtime'  1621854343
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm schwump big green sea 01 fishies big green sea electronic experimental
                                      'tag_artist'  Schwump
                                     'tag_release'  The Big Green Sea
                                       'tag_title'  Fishies in the Big Green Sea
                                             'bpm'  125.1
                                    'search_title'  'big':4 'fishies':1 'green':5 'in':2 'sea':6 'the':3
                                   'search_artist'  'schwump':1
                                  'search_release'  'big':2 'green':3 'sea':4 'the':1
                                     'search_rest'  'big':2 'electronic':6 'experimental':7 'fishies':5 'green':3 'schwump':1 'sea':4
                                    'search_combo'  'big':4A,9C,13 'electronic':17 'experimental':18 'fishies':1A,16 'green':5A,10C,14 'in':2A 'schwump':7B,12 'sea':6A,11C,15 'the':3A,8C
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  9B
                                           '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-1', 'q-syn-2', 'q-chart-1', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['insects', 'avant garde', 'outsider']
                                        'tag_date'  2008
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621854343.3004682  (2021-05-24 13:05:43)
                             'size'  4122624