======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '147'
                                          'artist'  'Soft Serve'
                                     'text_people'  ''
                                         'release'  'Good Mood, Bad Mood'
                                           'title'  'walking down lunt'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['33', '5432fun']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  ''
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '111.0'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:iTunNORM:eng'                                 (' 000004D1 00000635 00004ECA 00006A7F 00021B63 00021B63 00008413 000084DE '
 '00021B49 00021B49')
'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 000009C0 0000000000635BB0 00000000 00240398 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'TALB' (Album/Movie/Show title)                     'Good Mood, Bad Mood'
'TBPM' (BPM (beats per minute))                     '111.0'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TDRC' (Recording time)                             '2001'
'TENC' (Encoded by)                                 'iTunes 8.0.2.20'
'TIT2' (Title/songname/content description)         'walking down lunt'
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               'Soft Serve'
'TRCK' (Track number/Position in set)               '8'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['33', '5432fun']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.65 dB'
'TXXX:replaygain_track_peak'                        '0.665601'

========================== row from database ==========================
                                              'id'  1366480
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Soft Serve - 2001 - good mood, bad mood/08 - walking down lunt.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  147
                                           'genre'  electronic-unsorted
                                        'filesize'  2374486
                                           'mtime'  1636473330
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm 2001 good mood, bad mood 08 electronic unsorted
                                      'tag_artist'  Soft Serve
                                     'tag_release'  Good Mood, Bad Mood
                                       'tag_title'  walking down lunt
                                             'bpm'  111.0
                                    'search_title'  'down':2 'lunt':3 'walking':1
                                   'search_artist'  'serve':2 'soft':1
                                  'search_release'  'bad':4 'good':1 'mood':2,3
                                     'search_rest'  '2001':1 'bad':5 'electronic':6 'good':2 'mood':3,4 'unsorted':7
                                    'search_combo'  '2001':10 'bad':9C,14 'down':2A 'electronic':15 'good':6C,11 'lunt':3A 'mood':7C,8C,12,13 'serve':5B 'soft':4B 'unsorted':16 'walking':1A
                                    'tag_tracknum'  8
                                      'num_images'  1
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-1', 'q-other-4', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['33', '5432fun']
                                        'tag_date'  2001
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1636473330.0180502  (2021-11-09 16:55:30)
                             'size'  2374486