======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '227'
                                          'artist'  'Bad Religion'
                                     'text_people'  ''
                                         'release'  'Recipe for Hate'
                                           'title'  'Struck a Nerve'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-3', 'q-play-3', "
 "'q-chart-4', 'q-drums-1', 'q-other-1', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['political', 'punk rock', 'punk', 'alternative', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  '14'
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  'rock-gr-punk'
                                             'bpm'  '87'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Recipe for Hate'
'TBPM' (BPM (beats per minute))                     '87'
'TCON' (Content type, a.k.a. Genre)                 'rock-gr-punk'
'TDOR' (Original release time)                      '1993'
'TDRC' (Recording time)                             '1995-01-02'
'TIT2' (Title/songname/content description)         'Struck a Nerve'
'TKEY' (Initial key)                                '5A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Bad Religion'
'TPE2' (Band/orchestra/accompaniment)               'Bad Religion'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Epic/Sony Records'
'TRCK' (Track number/Position in set)               '8/14'
'TSO2'                                              'Bad Religion'
'TSOP' (Performer sort order)                       'Bad Religion'
'TSRC' (ISRC (international standard recording code))  'USEP40303608'
'TXXX:Artists'                                      'Bad Religion'
'TXXX:BARCODE'                                      '4988010611224'
'TXXX:CATALOGNUMBER'                                'ESCA 6112'
'TXXX:MusicBrainz Album Artist Id'                  '149e6720-4e4a-41a4-afca-6d29083fc091'
'TXXX:MusicBrainz Album Id'                         'c780c8b5-41ba-4e1f-b65b-c17970bb99cc'
'TXXX:MusicBrainz Album Release Country'            'JP'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '149e6720-4e4a-41a4-afca-6d29083fc091'
'TXXX:MusicBrainz Release Group Id'                 '3e38adc0-bb7d-39d1-a811-7ce6db5d869d'
'TXXX:MusicBrainz Release Track Id'                 'cc2581bd-3fe2-4d07-a226-1aefee334311'
'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:SCRIPT'                                       'Qaaa'
'TXXX:lastfmtags'                                   ['political', 'punk rock', 'punk', 'alternative', 'rock']
'TXXX:originalyear'                                 '1993'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+12.70 dB'
'TXXX:replaygain_track_peak'                        '0.883671'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'2f83d319-e4f4-4808-ae63-177fe7a2f9e3')

========================== row from database ==========================
                                              'id'  1303298
                                            'path'  /data/Music/Bulk/00poprockelectronic/Bad Religion/Recipe For Hate/Bad Religion - Struck A Nerve.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  227
                                           'genre'  rock-gr-punk
                                        'filesize'  7284173
                                           'mtime'  1622659251
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic For A rock gr punk
                                      'tag_artist'  Bad Religion
                                     'tag_release'  Recipe for Hate
                                       'tag_title'  Struck a Nerve
                                             'bpm'  87.0
                                    'search_title'  'a':2 'nerve':3 'struck':1
                                   'search_artist'  'bad':1 'religion':2
                                  'search_release'  'for':2 'hate':3 'recipe':1
                                     'search_rest'  '00poprockelectronic':1 'a':3 'for':2 'gr':5 'punk':6 'rock':4
                                    'search_combo'  '00poprockelectronic':9 'a':2A,11 'bad':4B 'for':7C,10 'gr':13 'hate':8C 'nerve':3A 'punk':14 'recipe':6C 'religion':5B 'rock':12 'struck':1A
                                    'tag_tracknum'  8
                                      'num_images'  0
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', '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-1', 'q-syn-2', 'q-chart-4', 'q-other-1', 'Q-HAP-3', 'q-bass-1', 'q-grit-3']
                                      'lastfmtags'  ['political', 'punk rock', 'punk', 'alternative', 'rock']
                                        'tag_date'  1995
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1622659251.265004  (2021-06-02 20:40:51)
                             'size'  7284173