======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '215'
                                          'artist'  'Loverboy'
                                     'text_people'  ''
                                         'release'  'Greatest Hits... The Real Thing'
                                           'title'  "Lovin' Every Minute of It"
                                           'quals'  ("['Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-3', "
 "'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-2']")
                                      'lastfmtags'  "['rock', '80s', 'classic rock', 'hard rock', 'canadian']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '09'
                                      'tracktotal'  '16'
                                            'date'  '1985'
                                        'comments'  ''
                                           'genre'  'rock-unsorted'
                                             'bpm'  '86.585'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Greatest Hits... The Real Thing'
'TBPM' (BPM (beats per minute))                     '86.585'
'TCON' (Content type, a.k.a. Genre)                 'rock-unsorted'
'TDRC' (Recording time)                             '1985'
'TIT2' (Title/songname/content description)         "Lovin' Every Minute of It"
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Loverboy'
'TRCK' (Track number/Position in set)               '09/16'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['rock', '80s', 'classic rock', 'hard rock', 'canadian']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '-0.75 dB'
'TXXX:replaygain_track_peak'                        '0.380254'

========================== row from database ==========================
                                              'id'  1510590
                                            'path'  /data/Music/Bulk/00poprockelectronic/1985 complete/259 Loverboy - Lovin_ Every Minute Of It.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  215
                                           'genre'  rock-unsorted
                                        'filesize'  8629762
                                           'mtime'  1620389106
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 1985 complete 259 Lovin_ Of rock unsorted
                                      'tag_artist'  Loverboy
                                     'tag_release'  Greatest Hits... The Real Thing
                                       'tag_title'  Lovin' Every Minute of It
                                             'bpm'  86.585
                                    'search_title'  'every':3 'it':6 'lovin':1,2 'minute':4 'of':5
                                   'search_artist'  'loverboy':1
                                  'search_release'  'greatest':1 'hits':2,3 'real':5 'the':4 'thing':6
                                     'search_rest'  '00poprockelectronic':1 '1985':2 '259':4 'complete':3 'lovin':5 'of':6 'rock':7 'unsorted':8
                                    'search_combo'  '00poprockelectronic':14 '1985':15 '259':17 'complete':16 'every':3A 'greatest':8C 'hits':9C,10C 'it':6A 'loverboy':7B 'lovin':1A,2A,18 'minute':4A 'of':5A,19 'real':12C 'rock':20 'the':11C 'thing':13C 'unsorted':21
                                    'tag_tracknum'  9
                                      'num_images'  1
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-3', 'q-other-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['rock', '80s', 'classic rock', 'hard rock', 'canadian']
                                        'tag_date'  1985
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620389106.1747184  (2021-05-07 14:05:06)
                             'size'  8629762