======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '209'
                                          'artist'  'Phil Collins'
                                     'text_people'  ''
                                         'release'  'Hits'
                                           'title'  'A Groovy Kind of Love'
                                           'quals'  ("['Q-HAP-2', '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-2', "
 "'q-chart-4', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['80s', 'soft rock', 'classic rock', 'pop', 'rock']"
                                     'discogstags'  "['rock', 'pop', 'soft rock', 'pop rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1998'
                                        'comments'  ''
                                           'genre'  'rock-unsorted'
                                             'bpm'  '144.130'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Hits'
'TBPM' (BPM (beats per minute))                     '144.130'
'TCON' (Content type, a.k.a. Genre)                 'rock-unsorted'
'TDRC' (Recording time)                             '1998'
'TIT2' (Title/songname/content description)         'A Groovy Kind of Love'
'TKEY' (Initial key)                                '11B'
'TPE1' (Lead performer(s)/Soloist(s))               'Phil Collins'
'TXXX:Mp3gain_minmax'                               '000,191'
'TXXX:Mp3gain_undo'                                 '+002,+002,N'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['rock', 'pop', 'soft rock', 'pop rock']
'TXXX:lastfmtags'                                   ['80s', 'soft rock', 'classic rock', 'pop', 'rock']
'TXXX:original release date'                        ['1998', '1998']
'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'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.33 dB'
'TXXX:replaygain_track_peak'                        '0.731048'

========================== row from database ==========================
                                              'id'  1324336
                                            'path'  /data/Music/Bulk/00poprockelectronic/Phil Collins_/Hits/Phil Collins - A Groovy Kind of Love.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  209
                                           'genre'  rock-unsorted
                                        'filesize'  3350630
                                           'mtime'  1637158435
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Collins_ rock unsorted
                                      'tag_artist'  Phil Collins
                                     'tag_release'  Hits
                                       'tag_title'  A Groovy Kind of Love
                                             'bpm'  144.13
                                    'search_title'  'a':1 'groovy':2 'kind':3 'love':5 'of':4
                                   'search_artist'  'collins':2 'phil':1
                                  'search_release'  'hits':1
                                     'search_rest'  '00poprockelectronic':1 'collins':2 'rock':3 'unsorted':4
                                    'search_combo'  '00poprockelectronic':9 'a':1A 'collins':7B,10 'groovy':2A 'hits':8C 'kind':3A 'love':5A 'of':4A 'phil':6B 'rock':11 'unsorted':12
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  11B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-4', 'q-other-3', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['80s', 'soft rock', 'classic rock', 'pop', 'rock']
                                        'tag_date'  1998
                                     'discogstags'  ['rock', 'pop', 'soft rock', 'pop rock']

============================== file details ==============================
                                           'mtime'  1637158435.0683033  (2021-11-17 15:13:55)
                             'size'  3350630