======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '251'
                                          'artist'  'Scratch Bandits Crew'
                                     'text_people'  'Pierre Vadon/Scratch Bandits Crew'
                                         'release'  'Stereo 7'
                                           'title'  'Goodbye'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-HHRNBTT-2', "
 "'Q-LOCALNESS-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['electronic', 'turntablism', 'hip hop', 'french', 'spotify']"
                                     'discogstags'  "['hip hop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  ''
                                            'date'  '2015'
                                        'comments'  ''
                                           'genre'  'hip hop or rnb or rap or turntablism'
                                             'bpm'  '145.5'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'PRIV:WM/MediaClassPrimaryID:¼}`Ñ#ãâK\x86¡H¤*(D\x1e'  PRIV(owner='WM/MediaClassPrimaryID', data=b'\xbc}`\xd1#\xe3\xe2K\x86\xa1H\xa4*(D\x1e')
'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')
'PRIV:WM/Provider:A\x00M\x00G\x00\x00\x00'          PRIV(owner='WM/Provider', data=b'A\x00M\x00G\x00\x00\x00')
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'PRIV:WM/WMCollectionID:å\x94}\x06¢UâF\x9dù\x1b\\»GEQ'  PRIV(owner='WM/WMCollectionID', data=b'\xe5\x94}\x06\xa2U\xe2F\x9d\xf9\x1b\\\xbbGEQ')
'PRIV:WM/WMContentID:ÙiÊ\x89c>ÍF\x80>GåÖÍÍb'        PRIV(owner='WM/WMContentID', data=b'\xd9i\xca\x89c>\xcdF\x80>G\xe5\xd6\xcd\xcdb')
'TALB' (Album/Movie/Show title)                     'Stereo 7'
'TBPM' (BPM (beats per minute))                     '145.5'
'TCOM' (Composer)                                   'Pierre Vadon/Scratch Bandits Crew'
'TCON' (Content type, a.k.a. Genre)                 'hip hop or rnb or rap or turntablism'
'TDRC' (Recording time)                             '2015'
'TIT2' (Title/songname/content description)         'Goodbye'
'TKEY' (Initial key)                                '4A'
'TPE1' (Lead performer(s)/Soloist(s))               'Scratch Bandits Crew'
'TPE2' (Band/orchestra/accompaniment)               'Scratch Bandits Crew'
'TPUB' (Publisher)                                  'Chinese Man'
'TRCK' (Track number/Position in set)               '7'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'hip hop'
'TXXX:lastfmtags'                                   ['electronic', 'turntablism', 'hip hop', 'french', 'spotify']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.74 dB'
'TXXX:replaygain_track_peak'                        '0.521948'

========================== row from database ==========================
                                              'id'  1244485
                                            'path'  /data/Music/Bulk/00popandrock-hiphop-rap-rnb-turntablism/Scratch Bandits Crew - scratch bandit crew - stereo 7 (2015)/07 Goodbye.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  251
                                           'genre'  hip hop or rnb or rap or turntablism
                                        'filesize'  10155352
                                           'mtime'  1620592457
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock hiphop rap rnb turntablism scratch bandit crew stereo (2015) 07 hip hop or rnb or rap or turntablism
                                      'tag_artist'  Scratch Bandits Crew
                                     'tag_release'  Stereo 7
                                       'tag_title'  Goodbye
                                             'bpm'  145.5
                                    'search_title'  'goodbye':1
                                   'search_artist'  'bandits':2 'crew':3 'scratch':1
                                  'search_release'  '7':2 'stereo':1
                                     'search_rest'  '2015':9,10 'bandit':6 'crew':7 'hip':11 'hiphop':1 'hop':12 'or':13 'rap':2 'rnb':3 'scratch':5 'stereo':8 'turntablism':4
                                    'search_combo'  '2015':15,16 '7':6C 'bandit':12 'bandits':3B 'crew':4B,13 'goodbye':1A 'hip':17 'hiphop':7 'hop':18 'or':19 'rap':8 'rnb':9 'scratch':2B,11 'stereo':5C,14 'turntablism':10
                                    'tag_tracknum'  7
                                      'num_images'  1
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-1', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-3', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['electronic', 'turntablism', 'hip hop', 'french', 'spotify']
                                        'tag_date'  2015
                                     'discogstags'  ['hip hop']

============================== file details ==============================
                                           'mtime'  1620592456.796631  (2021-05-09 22:34:16)
                             'size'  10155352