======================== unified (from filesystem) ========================
                                         'bitrate'  '128.012'
                                        'duration'  '308'
                                          'artist'  'Babyface'
                                     'text_people'  'Babyface'
                                         'release'  'Tender Lover'
                                           'title'  'Where Will You Go'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-2', 'Q-UNU-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['rnb', 'soul', 'pop', 'male vocalists', 'rhythm and blues']"
                                     'discogstags'  "['hip hop', 'funk / soul', 'rnb/swing', 'soul']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '11'
                                      'tracktotal'  '14'
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'funk or soul'
                                             'bpm'  '100.009'
                                             'key'  '8A'
                                        'acoustid'  'cc42c839-7e6d-4b25-bfbe-7d63c7e9d432'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
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'PRIV:WM/MediaClassSecondaryID:\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'  PRIV(owner='WM/MediaClassSecondaryID', data=b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
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'PRIV:WM/WMCollectionGroupID:y@´îAV\x9eD\x9bl\x01oç×\tì'  PRIV(owner='WM/WMCollectionGroupID', data=b'y@\xb4\xeeAV\x9eD\x9bl\x01o\xe7\xd7\t\xec')
'PRIV:WM/WMCollectionID:y@´îAV\x9eD\x9bl\x01oç×\tì'  PRIV(owner='WM/WMCollectionID', data=b'y@\xb4\xeeAV\x9eD\x9bl\x01o\xe7\xd7\t\xec')
'PRIV:WM/WMContentID:Û\x02¤\x105\x06þH\xadT\x0fÐ\x1b\x9c1L'  PRIV(owner='WM/WMContentID', data=b'\xdb\x02\xa4\x105\x06\xfeH\xadT\x0f\xd0\x1b\x9c1L')
'TALB' (Album/Movie/Show title)                     'Tender Lover'
'TBPM' (BPM (beats per minute))                     '100.009'
'TCOM' (Composer)                                   'Babyface'
'TCON' (Content type, a.k.a. Genre)                 'funk or soul'
'TDOR' (Original release time)                      '1989'
'TDRC' (Recording time)                             '2001-02-06'
'TENC' (Encoded by)                                 'Exact Audio Copy   (Secure mode)'
'TIT2' (Title/songname/content description)         'Where Will You Go'
'TKEY' (Initial key)                                '8A'
'TMED' (Media type)                                 'Digital Media'
'TPE1' (Lead performer(s)/Soloist(s))               'Babyface'
'TPE2' (Band/orchestra/accompaniment)               'Babyface'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Solar'
'TRCK' (Track number/Position in set)               '11/14'
'TSO2'                                              'Babyface'
'TSOP' (Performer sort order)                       'Babyface'
'TXXX:ASIN'                                         'B0013DC8XU'
'TXXX:Acoustid Id'                                  'cc42c839-7e6d-4b25-bfbe-7d63c7e9d432'
'TXXX:BARCODE'                                      '074646609125'
'TXXX:CATALOGNUMBER'                                '[none]'
'TXXX:MusicBrainz Album Artist Id'                  '7fa62c0b-2c74-491e-a2a1-17c3b043f326'
'TXXX:MusicBrainz Album Id'                         '43986980-4dde-4be5-a7ed-236fa3849450'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '7fa62c0b-2c74-491e-a2a1-17c3b043f326'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['hip hop', 'funk / soul', 'rnb/swing', 'soul']
'TXXX:lastfmtags'                                   ['rnb', 'soul', 'pop', 'male vocalists', 'rhythm and blues']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.72 dB'
'TXXX:replaygain_track_peak'                        '0.543842'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'42d519c1-1ae7-4c5e-b072-affde30329aa')

========================== row from database ==========================
                                              'id'  1405873
                                            'path'  /data/Music/Bulk/00poprockelectronic-generic-dance-trapbeat/babyface (tender lover (1989)/11. Where Will You Go.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  308
                                           'genre'  funk or soul
                                        'filesize'  4988602
                                           'mtime'  1628357910
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic generic dance trapbeat babyface (tender lover (1989) 11. funk or soul
                                      'tag_artist'  Babyface
                                     'tag_release'  Tender Lover
                                       'tag_title'  Where Will You Go
                                             'bpm'  100.009
                                    'search_title'  'go':4 'where':1 'will':2 'you':3
                                   'search_artist'  'babyface':1
                                  'search_release'  'lover':2 'tender':1
                                     'search_rest'  '00poprockelectronic':1 '11':11,12 '1989':9,10 'babyface':5 'dance':3 'funk':13 'generic':2 'lover':8 'or':14 'soul':15 'tender':6,7 'trapbeat':4
                                    'search_combo'  '00poprockelectronic':8 '11':18,19 '1989':16,17 'babyface':5B,12 'dance':10 'funk':20 'generic':9 'go':4A 'lover':7C,15 'or':21 'soul':22 'tender':6C,13,14 'trapbeat':11 'where':1A 'will':2A 'you':3A
                                    'tag_tracknum'  11
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['rnb', 'soul', 'pop', 'male vocalists', 'rhythm and blues']
                                        'tag_date'  2001
                                     'discogstags'  ['hip hop', 'funk / soul', 'rnb/swing', 'soul']

============================== file details ==============================
                                           'mtime'  1628357910.1469467  (2021-08-07 19:38:30)
                             'size'  4988602