======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '542'
                                          'artist'  'Dan Hartman'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Vertigo Relight my Fire (Extended Version)'
                                           'quals'  ("['Q-HAP-4', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-2', 'q-busy-3', 'q-grit-1', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['dance', 'american', 'pop', 'disco', 'soft rock', '80s']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '1980'
                                        'comments'  ''
                                           'genre'  'electronic-we-disco or italo'
                                             'bpm'  '121.3'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

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'TBPM' (BPM (beats per minute))                     '121.3'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-disco or italo'
'TDRC' (Recording time)                             '1980'
'TIT2' (Title/songname/content description)         'Vertigo Relight my Fire (Extended Version)'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Dan Hartman'
'TRCK' (Track number/Position in set)               '1'
'TXXX:Q-HAP'                                        '4'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['dance', 'american', 'pop', 'disco', 'soft rock', '80s']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.33 dB'
'TXXX:replaygain_track_peak'                        '0.544434'

========================== row from database ==========================
                                              'id'  1526501
                                            'path'  /data/Music/Bulk/00poprockelectronic/Disco 70_s 80_s/Dan Hartman - Vertigo Relight my Fire (Extended Version).mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  542
                                           'genre'  electronic-we-disco or italo
                                        'filesize'  8691443
                                           'mtime'  1620569088
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Disco 70_s 80_s electronic we disco or italo
                                      'tag_artist'  Dan Hartman
                                     'tag_release'  None
                                       'tag_title'  Vertigo Relight my Fire (Extended Version)
                                             'bpm'  121.3
                                    'search_title'  'extended':5,6 'fire':4 'my':3 'relight':2 'version':7,8 'vertigo':1
                                   'search_artist'  'dan':1 'hartman':2
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 '70':3 '80':5 'disco':2 'electronic':7 'italo':10 'or':9 's':4,6 'we':8
                                    'search_combo'  '00poprockelectronic':11 '70':13 '80':15 'dan':9B 'disco':12 'electronic':17 'extended':5A,6A 'fire':4A 'hartman':10B 'italo':20 'my':3A 'or':19 'relight':2A 's':14,16 'version':7A,8A 'vertigo':1A 'we':18
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-2', 'Q-HAP-4', 'q-bass-2', 'q-grit-1']
                                      'lastfmtags'  ['dance', 'american', 'pop', 'disco', 'soft rock', '80s']
                                        'tag_date'  1980
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620569088.4712327  (2021-05-09 16:04:48)
                             'size'  8691443