======================== unified (from filesystem) ========================
                                         'bitrate'  '170.921'
                                        'duration'  '230'
                                          'artist'  'Sade'
                                     'text_people'  ''
                                         'release'  'Love de luxe'
                                           'title'  "I Couldn't Love You More"
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-UNU-1', 'Q-JZFKS-3', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-3', 'q-other-1', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['love', 'jazz', 'female vocalists', 'soul']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  '9'
                                            'date'  '1998'
                                        'comments'  ''
                                           'genre'  'funk or soul-soul'
                                             'bpm'  '120.758'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'COMM:CDDB Disc ID:XXX'                             '920AC709'
'COMM:ID3v1 Comment:XXX'                            '920AC709'
'TALB' (Album/Movie/Show title)                     'Love de luxe'
'TBPM' (BPM (beats per minute))                     '120.758'
'TCON' (Content type, a.k.a. Genre)                 'funk or soul-soul'
'TDRC' (Recording time)                             '1998'
'TIT2' (Title/songname/content description)         "I Couldn't Love You More"
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Sade'
'TRCK' (Track number/Position in set)               '3/9'
'TSSE' (Software/Hardware and settings used for encoding)  'Audiograbber 1.80, LAME dll 3.70, VBR 0, Joint Stereo, Normal quality'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['love', 'jazz', 'female vocalists', 'soul']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.14 dB'
'TXXX:replaygain_track_peak'                        '0.719432'

========================== row from database ==========================
                                              'id'  1502745
                                            'path'  /data/Music/Bulk/00poprockelectronic/Sade/Love de Luxe/Sade - I Couldn_t Love You More - 03.mp3
                                         'working'  None
                                         'bitrate'  170
                                    'duration_sec'  230
                                           'genre'  funk or soul-soul
                                        'filesize'  4934612
                                           'mtime'  1620527014
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Luxe Couldn_t 03 funk soul soul
                                      'tag_artist'  Sade
                                     'tag_release'  Love de luxe
                                       'tag_title'  I Couldn't Love You More
                                             'bpm'  120.758
                                    'search_title'  'couldn':2 'couldnt':4 'i':1 'love':5 'more':7 't':3 'you':6
                                   'search_artist'  'sade':1
                                  'search_release'  'de':2 'love':1 'luxe':3
                                     'search_rest'  '00poprockelectronic':1 'couldn':3 'funk':5 'luxe':2 'soul':6 't':4
                                    'search_combo'  '00poprockelectronic':12 'couldn':2A,14 'couldnt':4A 'de':10C 'funk':16 'i':1A 'love':5A,9C 'luxe':11C,13 'more':7A 'sade':8B 'soul':17 't':3A,15 'you':6A
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-4', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['love', 'jazz', 'female vocalists', 'soul']
                                        'tag_date'  1998
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620527013.8109682  (2021-05-09 04:23:33)
                             'size'  4934612