======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '204'
                                          'artist'  'Nouvelle Vague'
                                     'text_people'  ''
                                         'release'  'Couleurs sur Paris'
                                           'title'  'So Young But So Cold (feat. Charlie Winston)'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-2', "
 "'Q-LOCALNESS-2', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-4', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['bossa nova', 'lounge', 'female vocalists', 'french', 'chillout']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  '18'
                                            'date'  '2010'
                                        'comments'  ''
                                           'genre'  'loc-eur-france'
                                             'bpm'  '145.3'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Couleurs sur Paris'
'TBPM' (BPM (beats per minute))                     '145.3'
'TCON' (Content type, a.k.a. Genre)                 'loc-eur-france'
'TDRC' (Recording time)                             '2010'
'TIT2' (Title/songname/content description)         'So Young But So Cold (feat. Charlie Winston)'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Nouvelle Vague'
'TRCK' (Track number/Position in set)               '8/18'
'TXXX:ALBUM ARTIST'                                 'Nouvelle Vague'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['bossa nova', 'lounge', 'female vocalists', 'french', 'chillout']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+14.52 dB'
'TXXX:replaygain_track_peak'                        '0.076684'

========================== row from database ==========================
                                              'id'  1325377
                                            'path'  /data/Music/Bulk/00poprockelectronic/Nouvelle Vague/Nouvelle Vague - 2010 - Couleurs sur Paris/08 So Young But So Cold (feat. Charlie Winston).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  204
                                           'genre'  loc-eur-france
                                        'filesize'  8200451
                                           'mtime'  1623430507
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 2010 08 loc france
                                      'tag_artist'  Nouvelle Vague
                                     'tag_release'  Couleurs sur Paris
                                       'tag_title'  So Young But So Cold (feat. Charlie Winston)
                                             'bpm'  145.3
                                    'search_title'  'but':3 'charlie':7 'cold':4 'feat':5,6 'so':1 'winston':8,9 'young':2
                                   'search_artist'  'nouvelle':1 'vague':2
                                  'search_release'  'couleurs':1 'paris':3 'sur':2
                                     'search_rest'  '00poprockelectronic':1 '2010':2 'france':4 'loc':3
                                    'search_combo'  '00poprockelectronic':15 '2010':16 'but':3A 'charlie':7A 'cold':4A 'couleurs':12C 'feat':5A,6A 'france':18 'loc':17 'nouvelle':10B 'paris':14C 'so':1A 'sur':13C 'vague':11B 'winston':8A,9A 'young':2A
                                    'tag_tracknum'  8
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-4', 'q-other-3', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['bossa nova', 'lounge', 'female vocalists', 'french', 'chillout']
                                        'tag_date'  2010
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1623430506.6465268  (2021-06-11 18:55:06)
                             'size'  8200451