======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '304'
                                          'artist'  'Frieder Butzmann'
                                     'text_people'  ''
                                         'release'  'SNX - Face Dépressive'
                                           'title'  "N'GA"
                                           'quals'  ("['Q-OLDST-3', 'Q-JZFKS-1', 'Q-UNU-1', 'q-syn-1', 'q-bass-3', 'q-busy-3', "
 "'q-grit-2', 'q-play-3', 'q-chart-1', 'q-drums-4', 'q-other-2', 'q-piano-1', "
 "'q-vocals-2', 'Q-HHRNBTT-1', 'q-mixbeat-1', 'Q-LOCALNESS-2']")
                                      'lastfmtags'  ("['experimental', 'industrial', 'german', 'ndw', 'die wahren perlen "
 "deutschsprachiger popmusik']")
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  ''
                                            'date'  '1985'
                                        'comments'  ''
                                           'genre'  'loc-unsorted'
                                             'bpm'  '142.0'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::eng'                                         'hawai 006'
'TALB' (Album/Movie/Show title)                     'SNX - Face Dépressive'
'TBPM' (BPM (beats per minute))                     '142.0'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'loc-unsorted'
'TDRC' (Recording time)                             '1985'
'TIT2' (Title/songname/content description)         "N'GA"
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Frieder Butzmann'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '2/5'
'TRCK' (Track number/Position in set)               '10'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['experimental',
 'industrial',
 'german',
 'ndw',
 'die wahren perlen deutschsprachiger popmusik']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.56 dB'
'TXXX:replaygain_track_peak'                        '0.839040'

========================== row from database ==========================
                                              'id'  1502277
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/lp 2 - face catholique   face dépressive/D3. Frieder Butzmann - N_Ga.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  304
                                           'genre'  loc-unsorted
                                        'filesize'  12262718
                                           'mtime'  1620400256
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm lp 2 face catholique face dépressive D3. N_Ga loc unsorted
                                      'tag_artist'  Frieder Butzmann
                                     'tag_release'  SNX - Face Dépressive
                                       'tag_title'  N'GA
                                             'bpm'  142.0
                                    'search_title'  'ga':2 'n':1 'nga':3
                                   'search_artist'  'butzmann':2 'frieder':1
                                  'search_release'  'depressive':3,4 'face':2 'snx':1
                                     'search_rest'  '2':2 'catholique':4 'd3':7,8 'depressive':5,6 'face':3 'ga':10 'loc':11 'lp':1 'n':9 'unsorted':12
                                    'search_combo'  '2':11 'butzmann':5B 'catholique':13 'd3':16,17 'depressive':8C,9C,14,15 'face':7C,12 'frieder':4B 'ga':2A,19 'loc':20 'lp':10 'n':1A,18 'nga':3A 'snx':6C 'unsorted':21
                                    'tag_tracknum'  10
                                      'num_images'  1
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-1', 'q-chart-1', 'q-other-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['experimental', 'industrial', 'german', 'ndw', 'die wahren perlen deutschsprachiger popmusik']
                                        'tag_date'  1985
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620400256.3550434  (2021-05-07 17:10:56)
                             'size'  12262718