======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '123'
                                          'artist'  'Ape'
                                     'text_people'  ''
                                         'release'  'Miserlou'
                                           'title'  'Missorlou'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-UNU-2', 'q-syn-2', 'q-bass-4', "
 "'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-1', 'q-drums-2', 'q-other-4', "
 "'q-piano-1', 'q-vocals-1', 'Q-HHRNBTT-1', 'q-mixbeat-1', 'Q-LOCALNESS-1']")
                                      'lastfmtags'  "['punk rock', 'melodic metal', 'german metal', 'punk', 'rap']"
                                     'discogstags'  "['hip hop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'set-cover or covered-styled;set-cover or covered'
                                             'bpm'  '98'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'COMM:Media Jukebox: Intensity:\x00\x00\x00'        '3'
'COMM:Media Jukebox: Peak Level:\x00\x00\x00'       '0.9662500000000001'
'COMM:Media Jukebox: Replay Gain:\x00\x00\x00'      '-13.695930000000001'
'COMM:Media Jukebox: Tool Name:\x00\x00\x00'        'Media Center'
'COMM:Media Jukebox: Tool Version:\x00\x00\x00'     '11.0.53'
'TALB' (Album/Movie/Show title)                     'Miserlou'
'TBPM' (BPM (beats per minute))                     '98'
'TCON' (Content type, a.k.a. Genre)                 ['set-cover or covered-styled',
 'set-cover or covered-styled',
 'set-cover or covered']
'TDRC' (Recording time)                             '2004'
'TIT2' (Title/songname/content description)         'Missorlou'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Ape'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  'hip hop'
'TXXX:lastfmtags'                                   ['punk rock', 'melodic metal', 'german metal', 'punk', 'rap']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.16 dB'
'TXXX:replaygain_track_peak'                        '0.423581'

========================== row from database ==========================
                                              'id'  1294368
                                            'path'  /data/Music/Bulk/00poprockelectronic/Versions - MISIRLOU/Ape - Missorlou.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  123
                                           'genre'  set-cover or covered-styled;set-cover or covered
                                        'filesize'  4939784
                                           'mtime'  1638544582
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Versions MISIRLOU set cover covered styled;set cover covered
                                      'tag_artist'  Ape
                                     'tag_release'  Miserlou
                                       'tag_title'  Missorlou
                                             'bpm'  98.0
                                    'search_title'  'missorlou':1
                                   'search_artist'  'ape':1
                                  'search_release'  'miserlou':1
                                     'search_rest'  '00poprockelectronic':1 'cover':5 'covered':6 'misirlou':3 'set':4,8,10 'styled':7,9 'versions':2
                                    'search_combo'  '00poprockelectronic':4 'ape':2B 'cover':8 'covered':9 'miserlou':3C 'misirlou':6 'missorlou':1A 'set':7,11,13 'styled':10,12 'versions':5
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-1', 'q-other-4', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['punk rock', 'melodic metal', 'german metal', 'punk', 'rap']
                                        'tag_date'  2004
                                     'discogstags'  ['hip hop']

============================== file details ==============================
                                           'mtime'  1638544582.2427795  (2021-12-03 16:16:22)
                             'size'  4939784