======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '186'
                                          'artist'  'Pennywise'
                                     'text_people'  ''
                                         'release'  'Punk-O-Rama'
                                           'title'  'Dying To Know'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-3', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['political', 'punk rock', 'punk', 'hardcore', 'rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  ''
                                            'date'  '1993'
                                        'comments'  ''
                                           'genre'  'rock-gr-punk'
                                             'bpm'  '113.1'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Punk-O-Rama'
'TBPM' (BPM (beats per minute))                     '113.1'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'rock-gr-punk'
'TDRC' (Recording time)                             '1993'
'TFLT' (File type)                                  'MPG/3'
'TIT2' (Title/songname/content description)         'Dying To Know'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Pennywise'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1'
'TPUB' (Publisher)                                  'Epitaph'
'TRCK' (Track number/Position in set)               '5'
'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:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['political', 'punk rock', 'punk', 'hardcore', 'rock']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'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'                        '+0.11 dB'
'TXXX:replaygain_track_peak'                        '0.412415'
'UFID:unknown'                                      UFID(owner='unknown', data=b'mailto:webmaster@mp3.com')

========================== row from database ==========================
                                              'id'  1476941
                                            'path'  /data/Music/Bulk/00popandrock-punk-garage-surf-stoner/Pennywise - Epitaph/Punk-o-Rama Vol. 1/05 - Pennywise - Dying To Know.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  186
                                           'genre'  rock-gr-punk
                                        'filesize'  3775698
                                           'mtime'  1622659061
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock punk garage surf stoner Epitaph Vol. 1 05 rock gr punk
                                      'tag_artist'  Pennywise
                                     'tag_release'  Punk-O-Rama
                                       'tag_title'  Dying To Know
                                             'bpm'  113.1
                                    'search_title'  'dying':1 'know':3 'to':2
                                   'search_artist'  'pennywise':1
                                  'search_release'  'o':2 'punk':1 'punkorama':4 'rama':3
                                     'search_rest'  '1':8 'epitaph':5 'garage':2 'gr':10 'punk':1 'rock':9 'stoner':4 'surf':3 'vol':6,7
                                    'search_combo'  '1':16 'dying':1A 'epitaph':13 'garage':10 'gr':18 'know':3A 'o':6C 'pennywise':4B 'punk':5C,9 'punkorama':8C 'rama':7C 'rock':17 'stoner':12 'surf':11 'to':2A 'vol':14,15
                                    'tag_tracknum'  5
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-2', 'q-grit-3']
                                      'lastfmtags'  ['political', 'punk rock', 'punk', 'hardcore', 'rock']
                                        'tag_date'  1993
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1622659061.0341456  (2021-06-02 20:37:41)
                             'size'  3775698