======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '289'
                                          'artist'  'Whitney Houston'
                                     'text_people'  ''
                                         'release'  "80's Night Ultimate DJ Collection CD 6 D-H"
                                           'title'  'I Wanna Dance With Somebody'
                                           'quals'  ("['Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-2', 'Q-UNU-1', 'Q-OLDST-3', "
 "'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-2']")
                                      'lastfmtags'  "['80s', 'rnb', 'female vocalists', 'soul', 'pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '19'
                                      'tracktotal'  ''
                                            'date'  '1985'
                                        'comments'  ''
                                           'genre'  'rock-unsorted;set-pl-billboard'
                                             'bpm'  '118.428'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            ' 00000EB9 00001047 000036B3'
'COMM:iTunNORM:eng'                                 (' 00000EB9 00001047 000036B3 00004112 00004E4E 00004E4E 00007F35 00008000 '
 '00004E4E 00004E4E')
'PRIV:AverageLevel:¿\x18\x00\x00'                   PRIV(owner='AverageLevel', data=b'\xbf\x18\x00\x00')
'PRIV:PeakValue:ÿ\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xff\x7f\x00\x00')
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'TALB' (Album/Movie/Show title)                     "80's Night Ultimate DJ Collection CD 6 D-H"
'TBPM' (BPM (beats per minute))                     '118.428'
'TCON' (Content type, a.k.a. Genre)                 ['rock-unsorted', 'set-pl-billboard']
'TDRC' (Recording time)                             '1985'
'TIT2' (Title/songname/content description)         'I Wanna Dance With Somebody'
'TKEY' (Initial key)                                '3A'
'TLEN' (Length)                                     '289384'
'TPE1' (Lead performer(s)/Soloist(s))               'Whitney Houston'
'TRCK' (Track number/Position in set)               '19'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['80s', 'rnb', 'female vocalists', 'soul', 'pop']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '-0.17 dB'
'TXXX:replaygain_track_peak'                        '0.467568'

========================== row from database ==========================
                                              'id'  1328398
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/19 i wanna dance with somebody.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  289
                                           'genre'  rock-unsorted;set-pl-billboard
                                        'filesize'  6948864
                                           'mtime'  1620392280
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] 19 wanna dance with somebody rock unsorted;set pl billboard
                                      'tag_artist'  Whitney Houston
                                     'tag_release'  80's Night Ultimate DJ Collection CD 6 D-H
                                       'tag_title'  I Wanna Dance With Somebody
                                             'bpm'  118.428
                                    'search_title'  'dance':3 'i':1 'somebody':5 'wanna':2 'with':4
                                   'search_artist'  'houston':2 'whitney':1
                                  'search_release'  '6':9 '80':1 '80s':3 'cd':8 'collection':7 'd':10 'dh':12 'dj':6 'h':11 'night':4 's':2 'ultimate':5
                                     'search_rest'  '00poprockelectronic':1 '19':7 'billboard':18 'dance':9 'files':5,6 'loose':3,4 'pl':17 'rock':12 'set':14,16 'somebody':11 'unsorted':2,13,15 'wanna':8 'with':10
                                    'search_combo'  '00poprockelectronic':20 '19':26 '6':16C '80':8C '80s':10C 'billboard':37 'cd':15C 'collection':14C 'd':17C 'dance':3A,28 'dh':19C 'dj':13C 'files':24,25 'h':18C 'houston':7B 'i':1A 'loose':22,23 'night':11C 'pl':36 'rock':31 's':9C 'set':33,35 'somebody':5A,30 'ultimate':12C 'unsorted':21,32,34 'wanna':2A,27 'whitney':6B 'with':4A,29
                                    'tag_tracknum'  19
                                      'num_images'  0
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-4', '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-4', 'q-syn-2', 'q-chart-2', 'q-other-2', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['80s', 'rnb', 'female vocalists', 'soul', 'pop']
                                        'tag_date'  1985
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620392279.8674304  (2021-05-07 14:57:59)
                             'size'  6948864