======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '168'
                                          'artist'  'Sex Pistols'
                                     'text_people'  'Stephen Jones'
                                         'release'  "Never Mind The Bollocks Here's The Sex Pistols"
                                           'title'  'No Feelings'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-3', 'q-play-3', "
 "'q-chart-4', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['punk rock', 'rock', 'punk', 'british', '70s']"
                                     'discogstags'  "['rock', 'punk']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  '12'
                                            'date'  '1977'
                                        'comments'  ''
                                           'genre'  'rock-gr-punk'
                                             'bpm'  '108.9'
                                             'key'  '7B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:iTunNORM:eng'                                 (' 00000AFF 00000996 00002EFC 000026B3 0001C05E 0001C05E 000078F8 00006FC5 '
 '00022D24 0001C4C1')
'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 000009D8 0000000000712398 00000000 00290398 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'COMM:iTunes_CDDB_1:eng'                            '8709040C+173250+12+150+15092+28700+41310+53275+68107+86832+95917+111760+130557+145230+159012'
'COMM:iTunes_CDDB_TrackNumber:eng'                  '3'
'TALB' (Album/Movie/Show title)                     "Never Mind The Bollocks Here's The Sex Pistols"
'TBPM' (BPM (beats per minute))                     '108.9'
'TCOM' (Composer)                                   'Stephen Jones'
'TCON' (Content type, a.k.a. Genre)                 'rock-gr-punk'
'TDRC' (Recording time)                             '1977'
'TENC' (Encoded by)                                 'iTunes 10.4.1'
'TIT2' (Title/songname/content description)         'No Feelings'
'TKEY' (Initial key)                                '7B'
'TPE1' (Lead performer(s)/Soloist(s))               'Sex Pistols'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '3/12'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  ['rock', 'punk']
'TXXX:lastfmtags'                                   ['punk rock', 'rock', 'punk', 'british', '70s']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.69 dB'
'TXXX:replaygain_track_peak'                        '0.547835'

========================== row from database ==========================
                                              'id'  1523436
                                            'path'  /data/Music/Bulk/00poprockelectronic/00trip/Never Mind The Bollocks Here_s The Sex Pistols/03 No Feelings.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  168
                                           'genre'  rock-gr-punk
                                        'filesize'  2731262
                                           'mtime'  1622659236
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00trip Here_s 03 rock gr punk
                                      'tag_artist'  Sex Pistols
                                     'tag_release'  Never Mind The Bollocks Here's The Sex Pistols
                                       'tag_title'  No Feelings
                                             'bpm'  108.9
                                    'search_title'  'feelings':2 'no':1
                                   'search_artist'  'pistols':2 'sex':1
                                  'search_release'  'bollocks':4 'here':5 'heres':7 'mind':2 'never':1 'pistols':9 's':6 'sex':8 'the':3
                                     'search_rest'  '00poprockelectronic':1 '00trip':2 'gr':6 'here':3 'punk':7 'rock':5 's':4
                                    'search_combo'  '00poprockelectronic':14 '00trip':15 'bollocks':8C 'feelings':2A 'gr':19 'here':9C,16 'heres':11C 'mind':6C 'never':5C 'no':1A 'pistols':4B,13C 'punk':20 'rock':18 's':10C,17 'sex':3B,12C 'the':7C
                                    'tag_tracknum'  3
                                      'num_images'  1
                                             'key'  7B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-4', 'q-other-3', 'Q-HAP-3', 'q-bass-2', 'q-grit-3']
                                      'lastfmtags'  ['punk rock', 'rock', 'punk', 'british', '70s']
                                        'tag_date'  1977
                                     'discogstags'  ['rock', 'punk']

============================== file details ==============================
                                           'mtime'  1622659236.0122929  (2021-06-02 20:40:36)
                             'size'  2731262