======================== unified (from filesystem) ========================
                                         'bitrate'  '191.987'
                                        'duration'  '381'
                                          'artist'  'Geyster'
                                     'text_people'  ''
                                         'release'  'Bye bye Superman'
                                           'title'  'Bye bye Superman (dancefloor killa remix)'
                                           'quals'  ("['Q-HAP-3', 'Q-OLDST-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'q-syn-2', "
 "'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', 'q-drums-4', "
 "'q-other-2', 'q-piano-1', 'q-vocals-1', 'Q-HHRNBTT-1', 'q-mixbeat-3']")
                                      'lastfmtags'  "['house', 'funky house', 'soul', 'french', 'electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'funk or soul'
                                             'bpm'  '128.170'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Bye bye Superman'
'TBPM' (BPM (beats per minute))                     '128.170'
'TCON' (Content type, a.k.a. Genre)                 'funk or soul'
'TDRC' (Recording time)                             '2003'
'TIT2' (Title/songname/content description)         'Bye bye Superman (dancefloor killa remix)'
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               'Geyster'
'TRCK' (Track number/Position in set)               '1'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['house', 'funky house', 'soul', 'french', 'electronic']
'TXXX:original release date'                        ['2003', '2003']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+7.27 dB'
'TXXX:replaygain_track_peak'                        '0.125470'

========================== row from database ==========================
                                              'id'  1346323
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/08 - Geyster - bye bye superman (dancefloor killa remix).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  381
                                           'genre'  funk or soul
                                        'filesize'  9158499
                                           'mtime'  1628357942
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] 08 superman funk soul
                                      'tag_artist'  Geyster
                                     'tag_release'  Bye bye Superman
                                       'tag_title'  Bye bye Superman (dancefloor killa remix)
                                             'bpm'  128.17
                                    'search_title'  'bye':1 'dancefloor':3,4 'killa':5 'remix':6,7 'superman':2
                                   'search_artist'  'geyster':1
                                  'search_release'  'bye':1 'superman':2
                                     'search_rest'  '00poprockelectronic':1 'files':5,6 'funk':8 'loose':3,4 'soul':9 'superman':7 'unsorted':2
                                    'search_combo'  '00poprockelectronic':11 'bye':1A,9C 'dancefloor':3A,4A 'files':15,16 'funk':18 'geyster':8B 'killa':5A 'loose':13,14 'remix':6A,7A 'soul':19 'superman':2A,10C,17 'unsorted':12
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['house', 'funky house', 'soul', 'french', 'electronic']
                                        'tag_date'  2003
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1628357941.6697335  (2021-08-07 19:39:01)
                             'size'  9158499