======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '215'
                                          'artist'  'Bad Religion'
                                     'text_people'  'Brett Gurewitz/Greg Graffin'
                                         'release'  'The Empire Strikes First'
                                           'title'  'Live Again (The Fall of Man)'
                                           'quals'  ("['Q-OLDST-3', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-4', "
 "'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-2']")
                                      'lastfmtags'  "['political', 'punk rock', 'punk', 'alternative', 'rock']"
                                     'discogstags'  "['rock', 'punk']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '14'
                                      'tracktotal'  ''
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'rock-unsorted'
                                             'bpm'  '118.636'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

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'TALB' (Album/Movie/Show title)                     'The Empire Strikes First'
'TBPM' (BPM (beats per minute))                     '118.636'
'TCOM' (Composer)                                   'Brett Gurewitz/Greg Graffin'
'TCON' (Content type, a.k.a. Genre)                 'rock-unsorted'
'TDRC' (Recording time)                             '2004'
'TENC' (Encoded by)                                 'iTunes v6.0.0.18'
'TIT2' (Title/songname/content description)         'Live Again (The Fall of Man)'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Bad Religion'
'TPE2' (Band/orchestra/accompaniment)               'Bad Religion'
'TPUB' (Publisher)                                  'Epitaph'
'TRCK' (Track number/Position in set)               '14'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  ['rock', 'punk']
'TXXX:lastfmtags'                                   ['political', 'punk rock', 'punk', 'alternative', 'rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.99 dB'
'TXXX:replaygain_track_peak'                        '0.358416'

========================== row from database ==========================
                                              'id'  1324788
                                            'path'  /data/Music/Bulk/00poprockelectronic/Bad Religion/The Empire Strikes First/14 - Live Again (The Fall of Man).mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  215
                                           'genre'  rock-unsorted
                                        'filesize'  4320803
                                           'mtime'  1620389232
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 14 rock unsorted
                                      'tag_artist'  Bad Religion
                                     'tag_release'  The Empire Strikes First
                                       'tag_title'  Live Again (The Fall of Man)
                                             'bpm'  118.636
                                    'search_title'  'again':2 'fall':5 'live':1 'man':7,8 'of':6 'the':3,4
                                   'search_artist'  'bad':1 'religion':2
                                  'search_release'  'empire':2 'first':4 'strikes':3 'the':1
                                     'search_rest'  '00poprockelectronic':1 'rock':2 'unsorted':3
                                    'search_combo'  '00poprockelectronic':15 'again':2A 'bad':9B 'empire':12C 'fall':5A 'first':14C 'live':1A 'man':7A,8A 'of':6A 'religion':10B 'rock':16 'strikes':13C 'the':3A,4A,11C 'unsorted':17
                                    'tag_tracknum'  14
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-4', 'q-other-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['political', 'punk rock', 'punk', 'alternative', 'rock']
                                        'tag_date'  2004
                                     'discogstags'  ['rock', 'punk']

============================== file details ==============================
                                           'mtime'  1620389232.4140847  (2021-05-07 14:07:12)
                             'size'  4320803