======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '215'
                                          'artist'  'Lauren'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Lauren - O-Ayo / ripped by luckyboy.nl'
                                           'quals'  ("['Q-HAP-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-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-3', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  ("['everything else', 'love', 'polish heavy metal', 'australian pop', "
 "'bootlegs']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'eid-unsorted'
                                             'bpm'  '135.728'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '135.728'
'TCON' (Content type, a.k.a. Genre)                 'eid-unsorted'
'TDRC' (Recording time)                             '2001'
'TIT2' (Title/songname/content description)         'Lauren - O-Ayo / ripped by luckyboy.nl'
'TKEY' (Initial key)                                '4A'
'TPE1' (Lead performer(s)/Soloist(s))               'Lauren'
'TRCK' (Track number/Position in set)               '1'
'TXXX:Q-HAP'                                        '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['everything else', 'love', 'polish heavy metal', 'australian pop', 'bootlegs']
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.34 dB'
'TXXX:replaygain_track_peak'                        '0.488946'

========================== row from database ==========================
                                              'id'  1323201
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/01. Lauren - O-Ayo  ripped by luckyboy.nl.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  215
                                           'genre'  eid-unsorted
                                        'filesize'  3455017
                                           'mtime'  1620521344
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] 01. eid unsorted
                                      'tag_artist'  Lauren
                                     'tag_release'  None
                                       'tag_title'  Lauren - O-Ayo / ripped by luckyboy.nl
                                             'bpm'  135.728
                                    'search_title'  'ayo':3 'by':6 'lauren':1 'luckyboy':7 'luckyboynl':9 'nl':8 'o':2 'oayo':4 'ripped':5
                                   'search_artist'  'lauren':1
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 '01':7,8 'eid':9 'files':5,6 'loose':3,4 'unsorted':2
                                    'search_combo'  '00poprockelectronic':11 '01':17,18 'ayo':3A 'by':6A 'eid':19 'files':15,16 'lauren':1A,10B 'loose':13,14 'luckyboy':7A 'luckyboynl':9A 'nl':8A 'o':2A 'oayo':4A 'ripped':5A 'unsorted':12
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-1', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['everything else', 'love', 'polish heavy metal', 'australian pop', 'bootlegs']
                                        'tag_date'  2001
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620521344.4695268  (2021-05-09 02:49:04)
                             'size'  3455017