======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '219'
                                          'artist'  'Siouxsie and The Banshees'
                                     'text_people'  ''
                                         'release'  'A Kiss in the Dreamhouse'
                                           'title'  "She's a Carnival"
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                                      'lastfmtags'  "['80s', 'new wave', 'goth', 'post punk', 'gothic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  ''
                                            'date'  '1982'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter'
                                             'bpm'  '145.580'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

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'TBPM' (BPM (beats per minute))                     '145.580'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter'
'TDRC' (Recording time)                             '1982'
'TIT2' (Title/songname/content description)         "She's a Carnival"
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Siouxsie and The Banshees'
'TRCK' (Track number/Position in set)               '4'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['80s', 'new wave', 'goth', 'post punk', 'gothic']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'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'                        '+0.77 dB'
'TXXX:replaygain_track_peak'                        '0.469853'

========================== row from database ==========================
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                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Siouxsie and the Banshees/(1982) A Kiss in the Dreamhouse/MBZ;#Siouxsie and the Banshees;#A Kiss in the Dreamhouse;#04;#She_s a Carnival.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  219
                                           'genre'  ifs-songwriter
                                        'filesize'  5273105
                                           'mtime'  1620646700
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos (1982) MBZ;#Siouxsie Banshees;#A Dreamhouse;#04;#She_s ifs songwriter
                                      'tag_artist'  Siouxsie and The Banshees
                                     'tag_release'  A Kiss in the Dreamhouse
                                       'tag_title'  She's a Carnival
                                             'bpm'  145.58
                                    'search_title'  'a':4 'carnival':5 's':2 'she':1 'shes':3
                                   'search_artist'  'and':2 'banshees':4 'siouxsie':1 'the':3
                                  'search_release'  'a':1 'dreamhouse':5 'in':3 'kiss':2 'the':4
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                                    'search_combo'  '00singer':15 '04':29,33 '1982':18,19 'a':4A,10C,25,27 'and':7B 'banshees':9B,24,26 'carnival':5A 'dreamhouse':14C,28,32 'eos':17 'ifs':36 'in':12C 'kiss':11C 'mbz':20,22 's':2A,31,35 'she':1A,30,34 'shes':3A 'siouxsie':6B,21,23 'songwriter':16 'the':8B,13C
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['80s', 'new wave', 'goth', 'post punk', 'gothic']
                                        'tag_date'  1982
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620646699.6130002  (2021-05-10 13:38:19)
                             'size'  5273105