======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '232'
                                          'artist'  'Roxette'
                                     'text_people'  ''
                                         'release'  'Room Service'
                                           'title'  'Fool'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['80s', 'pop rock', 'pop', 'rock']"
                                     'discogstags'  "['electronic', 'rock', 'pop', 'soft rock', 'synth-pop', 'ballad']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  ''
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'rock-unsorted'
                                             'bpm'  '121.921'
                                             'key'  '8B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Room Service'
'TBPM' (BPM (beats per minute))                     '121.921'
'TCON' (Content type, a.k.a. Genre)                 'rock-unsorted'
'TDRC' (Recording time)                             '2001'
'TIT2' (Title/songname/content description)         'Fool'
'TKEY' (Initial key)                                '8B'
'TPE1' (Lead performer(s)/Soloist(s))               'Roxette'
'TRCK' (Track number/Position in set)               '10'
'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:discogstags'                                  ['electronic', 'rock', 'pop', 'soft rock', 'synth-pop', 'ballad']
'TXXX:lastfmtags'                                   ['80s', 'pop rock', 'pop', 'rock']
'TXXX:q-bass'                                       '3'
'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'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.95 dB'
'TXXX:replaygain_track_peak'                        '0.397526'

========================== row from database ==========================
                                              'id'  1357025
                                            'path'  /data/Music/Bulk/00poprockelectronic/Roxette/10_Fool.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  232
                                           'genre'  rock-unsorted
                                        'filesize'  4659118
                                           'mtime'  1647352897
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 10_Fool rock unsorted
                                      'tag_artist'  Roxette
                                     'tag_release'  Room Service
                                       'tag_title'  Fool
                                             'bpm'  121.921
                                    'search_title'  'fool':1
                                   'search_artist'  'roxette':1
                                  'search_release'  'room':1 'service':2
                                     'search_rest'  '00poprockelectronic':1 '10':2 'fool':3 'rock':4 'unsorted':5
                                    'search_combo'  '00poprockelectronic':5 '10':6 'fool':1A,7 'rock':8 'room':3C 'roxette':2B 'service':4C 'unsorted':9
                                    'tag_tracknum'  10
                                      'num_images'  0
                                             'key'  8B
                                           'quals'  ['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-4', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-2']
                                      'lastfmtags'  ['80s', 'pop rock', 'pop', 'rock']
                                        'tag_date'  2001
                                     'discogstags'  ['electronic', 'rock', 'pop', 'soft rock', 'synth-pop', 'ballad']

============================== file details ==============================
                                           'mtime'  1647352897.2047176  (2022-03-15 15:01:37)
                             'size'  4659118