======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '411'
                                          'artist'  'Romanthony'
                                     'text_people'  'Romanthony'
                                         'release'  'Supperclub Lounche 6, Le Salon Colori'
                                           'title'  'Bring U Up'
                                           'quals'  ("['Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'q-syn-2', "
 "'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', 'q-drums-4', "
 "'q-other-1', 'q-piano-1', 'q-vocals-1', 'Q-HHRNBTT-1', 'q-mixbeat-2']")
                                      'lastfmtags'  "['house', 'deep house', 'electronic', 'soulful house']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  '13'
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '125.860'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            '0'
'COMM:iTunNORM:eng'                                 (' 0000062C 0000044A 00005E7D 0000521C 0005E2D6 0005E2D6 000088E6 000086FD '
 '00020D82 0002A27D')
'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 00000AA4 00000000011511CC 00000000 0096BC93 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'COMM:iTunes_CDDB_IDs:eng'                          '13+5FD3A05691EC732879F3C579B3465CFA+7494965'
'TALB' (Album/Movie/Show title)                     'Supperclub Lounche 6, Le Salon Colori'
'TBPM' (BPM (beats per minute))                     '125.860'
'TCOM' (Composer)                                   'Romanthony'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TDRC' (Recording time)                             '2003'
'TENC' (Encoded by)                                 'iTunes v7.3.2.6'
'TIT2' (Title/songname/content description)         'Bring U Up'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Romanthony'
'TPOS' (Part of a set)                              '2/2'
'TRCK' (Track number/Position in set)               '10/13'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['house', 'deep house', 'electronic', 'soulful house']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.56 dB'
'TXXX:replaygain_track_peak'                        '0.539055'

========================== row from database ==========================
                                              'id'  1299679
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/2-10 bring u up.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  411
                                           'genre'  electronic-unsorted
                                        'filesize'  9885962
                                           'mtime'  1620572670
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] 2 10 bring electronic unsorted
                                      'tag_artist'  Romanthony
                                     'tag_release'  Supperclub Lounche 6, Le Salon Colori
                                       'tag_title'  Bring U Up
                                             'bpm'  125.86
                                    'search_title'  'bring':1 'u':2 'up':3
                                   'search_artist'  'romanthony':1
                                  'search_release'  '6':3,4 'colori':7 'le':5 'lounche':2 'salon':6 'supperclub':1
                                     'search_rest'  '00poprockelectronic':1 '2':7 'bring':8 'electronic':9 'files':5,6 'loose':3,4 'unsorted':2
                                    'search_combo'  '00poprockelectronic':12 '2':18 '6':7C,8C 'bring':1A,19 'colori':11C 'electronic':20 'files':16,17 'le':9C 'loose':14,15 'lounche':6C 'romanthony':4B 'salon':10C 'supperclub':5C 'u':2A 'unsorted':13 'up':3A
                                    'tag_tracknum'  10
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', '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-1', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['house', 'deep house', 'electronic', 'soulful house']
                                        'tag_date'  2003
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620572670.3003983  (2021-05-09 17:04:30)
                             'size'  9885962