======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '413'
                                          'artist'  'Mouse On Mars'
                                     'text_people'  'Andi Toma & Jan St. Werner'
                                         'release'  'Shirley & Spinoza'
                                           'title'  'Papa, Antoine'
                                           'quals'  ("['Q-HAP-2', 'Q-OLDST-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-2', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['electronica', 'idm', 'electronic', 'experimental', 'ambient']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  '13'
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  'set-pl-shirleyspinoza;set-pl-mor'
                                             'bpm'  '95.304'
                                             'key'  '8B'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            '0'
'COMM:iTunNORM:eng'                                 (' 000001A3 00000165 00005171 0000671F 00032997 00030F78 00007789 000080B8 '
 '0001F849 0002AD68')
'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 000006F0 0000000001163580 00000000 007E1FC1 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'COMM:iTunes_CDDB_IDs:eng'                          '13+2A7F9CAA821884955F6E3762C136803E+6206157'
'TALB' (Album/Movie/Show title)                     'Shirley & Spinoza'
'TBPM' (BPM (beats per minute))                     '95.304'
'TCOM' (Composer)                                   'Andi Toma & Jan St. Werner'
'TCON' (Content type, a.k.a. Genre)                 ['set-pl-shirleyspinoza', 'set-pl-shirleyspinoza', 'set-pl-mor']
'TDRC' (Recording time)                             '1995'
'TENC' (Encoded by)                                 'iTunes v7.6'
'TIT2' (Title/songname/content description)         'Papa, Antoine'
'TKEY' (Initial key)                                '8B'
'TPE1' (Lead performer(s)/Soloist(s))               'Mouse On Mars'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '10/13'
'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'                                  'electronic'
'TXXX:lastfmtags'                                   ['electronica', 'idm', 'electronic', 'experimental', 'ambient']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.10 dB'
'TXXX:replaygain_track_peak'                        '0.830158'

========================== row from database ==========================
                                              'id'  949073
                                            'path'  /data/Music/Bulk/sns/Mouse on Mars - Papa, Antoine.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  413
                                           'genre'  set-pl-shirleyspinoza;set-pl-mor
                                        'filesize'  8272101
                                           'mtime'  1647277525
                                   'redo_metaread'  0
                                        'rest_str'   sns on set pl shirleyspinoza;set pl mor
                                      'tag_artist'  Mouse On Mars
                                     'tag_release'  Shirley & Spinoza
                                       'tag_title'  Papa, Antoine
                                             'bpm'  95.304
                                    'search_title'  'antoine':3 'papa':1,2
                                   'search_artist'  'mars':3 'mouse':1 'on':2
                                  'search_release'  'shirley':1 'spinoza':2
                                     'search_rest'  'mor':9 'on':2 'pl':4 'set':3,6,8 'shirleyspinoza':5,7 'sns':1
                                    'search_combo'  'antoine':3A 'mars':6B 'mor':17 'mouse':4B 'on':5B,10 'papa':1A,2A 'pl':12 'set':11,14,16 'shirley':7C 'shirleyspinoza':13,15 'sns':9 'spinoza':8C
                                    'tag_tracknum'  10
                                      'num_images'  0
                                             'key'  8B
                                           'quals'  ['Q-HAP-2', 'Q-OLDST-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-2', 'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-1', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-2', 'q-mixbeat-1']
                                      'lastfmtags'  ['electronica', 'idm', 'electronic', 'experimental', 'ambient']
                                        'tag_date'  1995
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1647277524.6182487  (2022-03-14 18:05:24)
                             'size'  8272101