======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '212'
                                          'artist'  'Dolly Dots'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Love Me Just A Little Bit More'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-1', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['girl group', 'calypso', 'dance', 'pop', 'dutch', '80s']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1985'
                                        'comments'  ''
                                           'genre'  'loc-eur-netherlands'
                                             'bpm'  '96.1'
                                             'key'  '4B'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '96.1'
'TCON' (Content type, a.k.a. Genre)                 'loc-eur-netherlands'
'TDRC' (Recording time)                             '1985'
'TIT2' (Title/songname/content description)         'Love Me Just A Little Bit More'
'TKEY' (Initial key)                                '4B'
'TPE1' (Lead performer(s)/Soloist(s))               'Dolly Dots'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['girl group', 'calypso', 'dance', 'pop', 'dutch', '80s']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '-0.24 dB'
'TXXX:replaygain_track_peak'                        '0.435134'

========================== row from database ==========================
                                              'id'  1318575
                                            'path'  /data/Music/Bulk/00poprockelectronic/Dolly Dots/Dolly Dots - Love Me Just A Little Bit More.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  212
                                           'genre'  loc-eur-netherlands
                                        'filesize'  4245927
                                           'mtime'  1621630157
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic loc eur netherlands
                                      'tag_artist'  Dolly Dots
                                     'tag_release'  None
                                       'tag_title'  Love Me Just A Little Bit More
                                             'bpm'  96.1
                                    'search_title'  'a':4 'bit':6 'just':3 'little':5 'love':1 'me':2 'more':7
                                   'search_artist'  'dolly':1 'dots':2
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 'eur':3 'loc':2 'netherlands':4
                                    'search_combo'  '00poprockelectronic':10 'a':4A 'bit':6A 'dolly':8B 'dots':9B 'eur':12 'just':3A 'little':5A 'loc':11 'love':1A 'me':2A 'more':7A 'netherlands':13
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  4B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['girl group', 'calypso', 'dance', 'pop', 'dutch', '80s']
                                        'tag_date'  1985
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621630157.1593246  (2021-05-21 22:49:17)
                             'size'  4245927