======================== unified (from filesystem) ========================
                                         'bitrate'  '96.0'
                                        'duration'  '241'
                                          'artist'  'Air Supply'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'All Out of Love'
                                           '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-2', "
 "'q-chart-2', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['pop', 'soft rock', 'rock', '80s', 'classic rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1985'
                                        'comments'  ''
                                           'genre'  'rock-pop-soft'
                                             'bpm'  '108.6'
                                             'key'  '8B'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '108.6'
'TCON' (Content type, a.k.a. Genre)                 'rock-pop-soft'
'TDRC' (Recording time)                             '1985'
'TIT2' (Title/songname/content description)         'All Out of Love'
'TKEY' (Initial key)                                '8B'
'TPE1' (Lead performer(s)/Soloist(s))               'Air Supply'
'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:lastfmtags'                                   ['pop', 'soft rock', 'rock', '80s', 'classic rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'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'                        '+1.82 dB'
'TXXX:replaygain_track_peak'                        '0.576714'

========================== row from database ==========================
                                              'id'  1317475
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/Air Supply/Air Supply - All Out of Love.mp3
                                         'working'  None
                                         'bitrate'  96
                                    'duration_sec'  241
                                           'genre'  rock-pop-soft
                                        'filesize'  2907653
                                           'mtime'  1620736561
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted rock pop soft
                                      'tag_artist'  Air Supply
                                     'tag_release'  None
                                       'tag_title'  All Out of Love
                                             'bpm'  108.6
                                    'search_title'  'all':1 'love':4 'of':3 'out':2
                                   'search_artist'  'air':1 'supply':2
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 'pop':4 'rock':3 'soft':5 'unsorted':2
                                    'search_combo'  '00poprockelectronic':7 'air':5B 'all':1A 'love':4A 'of':3A 'out':2A 'pop':10 'rock':9 'soft':11 'supply':6B 'unsorted':8
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  8B
                                           '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-2', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['pop', 'soft rock', 'rock', '80s', 'classic rock']
                                        'tag_date'  1985
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620736561.3810167  (2021-05-11 14:36:01)
                             'size'  2907653