======================== unified (from filesystem) ========================
                                         'bitrate'  '231.615'
                                        'duration'  '270'
                                          'artist'  'Hall & Oates'
                                     'text_people'  ''
                                         'release'  "Greatest Hits: Rock 'n Soul, P"
                                           'title'  'Maneater'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['80s', 'soft rock', 'rock', 'pop', 'classic rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  ''
                                            'date'  '1983'
                                        'comments'  ''
                                           'genre'  'rock-pop-soft;set-pl-billboard'
                                             'bpm'  '88.787'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     "Greatest Hits: Rock 'n Soul, P"
'TBPM' (BPM (beats per minute))                     '88.787'
'TCON' (Content type, a.k.a. Genre)                 ['rock-pop-soft', 'set-pl-billboard']
'TDRC' (Recording time)                             '1983'
'TIT2' (Title/songname/content description)         'Maneater'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Hall & Oates'
'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:lastfmtags'                                   ['80s', 'soft rock', 'rock', 'pop', 'classic rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.36 dB'
'TXXX:replaygain_track_peak'                        '0.768564'

========================== row from database ==========================
                                              'id'  1319482
                                            'path'  /data/Music/Bulk/00poprockelectronic/Daryl Hall + John Oates/2/10 - Maneater.mp3
                                         'working'  None
                                         'bitrate'  231
                                    'duration_sec'  270
                                           'genre'  rock-pop-soft;set-pl-billboard
                                        'filesize'  7822792
                                           'mtime'  1620736453
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Daryl + John 2 10 rock pop soft;set pl billboard
                                      'tag_artist'  Hall & Oates
                                     'tag_release'  Greatest Hits: Rock 'n Soul, P
                                       'tag_title'  Maneater
                                             'bpm'  88.787
                                    'search_title'  'maneater':1
                                   'search_artist'  'hall':1 'oates':2
                                  'search_release'  'greatest':1 'hits':2,3 'n':5,6 'p':9 'rock':4 'soul':7,8
                                     'search_rest'  '00poprockelectronic':1 '2':4 'billboard':12 'daryl':2 'john':3 'pl':11 'pop':6 'rock':5 'set':8,10 'soft':7,9
                                    'search_combo'  '00poprockelectronic':13 '2':16 'billboard':24 'daryl':14 'greatest':4C 'hall':2B 'hits':5C,6C 'john':15 'maneater':1A 'n':8C,9C 'oates':3B 'p':12C 'pl':23 'pop':18 'rock':7C,17 'set':20,22 'soft':19,21 'soul':10C,11C
                                    'tag_tracknum'  10
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['80s', 'soft rock', 'rock', 'pop', 'classic rock']
                                        'tag_date'  1983
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620736453.452258  (2021-05-11 14:34:13)
                             'size'  7822792