======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '243'
                                          'artist'  'Methusalem'
                                     'text_people'  ''
                                         'release'  'CBS Top 100 2006 Edition'
                                           'title'  'Zombie - 16'
                                           'quals'  ("['Q-HAP-4', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-1', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['80s', 'italo disco', 'heavy metal', 'hard rock', 'disco']"
                                     'discogstags'  "['electronic', 'disco']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '121'
                                      'tracktotal'  ''
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'electronic-we-disco or italo'
                                             'bpm'  '124.392'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'CBS Top 100 2006 Edition'
'TBPM' (BPM (beats per minute))                     '124.392'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-disco or italo'
'TDRC' (Recording time)                             '2006'
'TIT2' (Title/songname/content description)         'Zombie - 16'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Methusalem'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '121'
'TXXX:Q-HAP'                                        '4'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['electronic', 'disco']
'TXXX:lastfmtags'                                   ['80s', 'italo disco', 'heavy metal', 'hard rock', 'disco']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.31 dB'
'TXXX:replaygain_track_peak'                        '0.632606'

========================== row from database ==========================
                                              'id'  1417239
                                            'path'  /data/Music/Bulk/00poprockelectronic-waves-disco/00disco-italo/CBS TOP 100 2006/121 - Methusalem - Zombie - 16.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  243
                                           'genre'  electronic-we-disco or italo
                                        'filesize'  4869637
                                           'mtime'  1620608633
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic waves disco 00disco italo TOP 121 electronic we disco or italo
                                      'tag_artist'  Methusalem
                                     'tag_release'  CBS Top 100 2006 Edition
                                       'tag_title'  Zombie - 16
                                             'bpm'  124.392
                                    'search_title'  'zombie':1
                                   'search_artist'  'methusalem':1
                                  'search_release'  '100':3 '2006':4 'cbs':1 'edition':5 'top':2
                                     'search_rest'  '00disco':4 '00poprockelectronic':1 '121':7 'disco':3 'electronic':8 'italo':5 'or':10 'top':6 'waves':2 'we':9
                                    'search_combo'  '00disco':11 '00poprockelectronic':8 '100':5C '121':14 '2006':6C 'cbs':3C 'disco':10 'edition':7C 'electronic':15 'italo':12 'methusalem':2B 'or':17 'top':4C,13 'waves':9 'we':16 'zombie':1A
                                    'tag_tracknum'  121
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-3', 'Q-HAP-4', 'q-bass-3', 'q-grit-1']
                                      'lastfmtags'  ['80s', 'italo disco', 'heavy metal', 'hard rock', 'disco']
                                        'tag_date'  2006
                                     'discogstags'  ['electronic', 'disco']

============================== file details ==============================
                                           'mtime'  1620608632.868176  (2021-05-10 03:03:52)
                             'size'  4869637