======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '136'
                                          'artist'  'The Shirelles'
                                     'text_people'  'Addie Harris/Beverley Lee/Doris Coley/Shirley Owens'
                                         'release'  '25 All-Time Greatest Hits'
                                           'title'  'I Met Him On A Sunday (Rhonde-Rhonde)'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-3', 'q-busy-2', 'q-grit-1', 'q-play-2', "
 "'q-chart-1', 'q-drums-3', 'q-other-1', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['60s', 'oldies', 'female vocalists', 'soul', 'pop', 'girl groups']"
                                     'discogstags'  "['rock', 'pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '1958'
                                        'comments'  ''
                                           'genre'  'prerock-unsorted'
                                             'bpm'  '139.851'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         '58-321 POS 49'
'COMM:ID3v1 Comment:XXX'                            '58-321 POS 49'
'MCDI' (Music CD identifier)                        MCDI(data=b'1\x00A\x00+\x009\x006\x00+\x002\x008\x008\x002\x00+\x004\x00C\x00F\x00E\x00+\x006\x00B\x007\x008\x00+\x008\x00E\x004\x009\x00+\x00B\x00D\x00E\x007\x00+\x00E\x003\x003\x00A\x00+\x001\x000\x008\x009\x007\x00+\x001\x003\x004\x007\x005\x00+\x001\x006\x003\x004\x003\x00+\x001\x008\x00C\x005\x00E\x00+\x001\x00B\x00C\x006\x005\x00+\x001\x00E\x00C\x001\x004\x00+\x002\x001\x00B\x009\x004\x00+\x002\x004\x008\x00A\x003\x00+\x002\x006\x00E\x008\x007\x00+\x002\x009\x006\x00A\x00F\x00+\x002\x00C\x005\x00F\x006\x00+\x002\x00E\x00E\x006\x009\x00+\x003\x001\x00D\x00D\x005\x00+\x003\x004\x00A\x006\x002\x00+\x003\x006\x00E\x00E\x000\x00+\x003\x009\x007\x006\x00C\x00+\x003\x00B\x00E\x00A\x007\x00+\x003\x00E\x00C\x008\x00A\x00+\x004\x002\x003\x00C\x009\x00+\x004\x005\x002\x006\x008\x00\x00\x00')
'PRIV:AverageLevel:\x10\x12\x00\x00'                PRIV(owner='AverageLevel', data=b'\x10\x12\x00\x00')
'PRIV:PeakValue:^l\x00\x00'                         PRIV(owner='PeakValue', data=b'^l\x00\x00')
'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')
'PRIV:WM/UniqueFileIdentifier:A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x004\x002\x005\x002\x000\x007\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x00 \x00 \x005\x004\x001\x004\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x003\x002\x006\x003\x009\x005\x006\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x004\x002\x005\x002\x000\x007\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x00 \x00 \x005\x004\x001\x004\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x003\x002\x006\x003\x009\x005\x006\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:¾\x90\x96.ñ«\tA¯\x0e\x14-a{""'  PRIV(owner='WM/WMCollectionGroupID', data=b'\xbe\x90\x96.\xf1\xab\tA\xaf\x0e\x14-a{""')
'PRIV:WM/WMCollectionID:¾\x90\x96.ñ«\tA¯\x0e\x14-a{""'  PRIV(owner='WM/WMCollectionID', data=b'\xbe\x90\x96.\xf1\xab\tA\xaf\x0e\x14-a{""')
'PRIV:WM/WMContentID:\x886Ô\x00¿!\x98D\x9b\x85Dª\x8fàM©'  PRIV(owner='WM/WMContentID', data=b'\x886\xd4\x00\xbf!\x98D\x9b\x85D\xaa\x8f\xe0M\xa9')
'TALB' (Album/Movie/Show title)                     '25 All-Time Greatest Hits'
'TBPM' (BPM (beats per minute))                     '139.851'
'TCOM' (Composer)                                   'Addie Harris/Beverley Lee/Doris Coley/Shirley Owens'
'TCON' (Content type, a.k.a. Genre)                 'prerock-unsorted'
'TDRC' (Recording time)                             '1958'
'TIT2' (Title/songname/content description)         'I Met Him On A Sunday (Rhonde-Rhonde)'
'TKEY' (Initial key)                                '10B'
'TLEN' (Length)                                     '136266'
'TPE1' (Lead performer(s)/Soloist(s))               'Shirelles'
'TPE2' (Band/orchestra/accompaniment)               'The Shirelles'
'TPUB' (Publisher)                                  'Varese'
'TRCK' (Track number/Position in set)               '1'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['rock', 'pop']
'TXXX:lastfmtags'                                   ['60s', 'oldies', 'female vocalists', 'soul', 'pop', 'girl groups']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.20 dB'
'TXXX:replaygain_track_peak'                        '0.520147'

========================== row from database ==========================
                                              'id'  1443434
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1958/58-321 - Shirelles - I Met Him On A Sunday (Rhonde-Rhonde).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  136
                                           'genre'  prerock-unsorted
                                        'filesize'  5450112
                                           'mtime'  1621698373
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1958 58 321 prerock unsorted
                                      'tag_artist'  The Shirelles
                                     'tag_release'  25 All-Time Greatest Hits
                                       'tag_title'  I Met Him On A Sunday (Rhonde-Rhonde)
                                             'bpm'  139.851
                                    'search_title'  'a':5 'him':3 'i':1 'met':2 'on':4 'rhonde':7,8 'rhonderhonde':9 'sunday':6
                                   'search_artist'  'shirelles':2 'the':1
                                  'search_release'  '25':1 'all':2 'alltime':4 'greatest':5 'hits':6 'time':3
                                     'search_rest'  '00oldiepop':5 '1958':6 '321':8 '58':7 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':9 'unsorted':10
                                    'search_combo'  '00oldiepop':22 '1958':23 '25':12C '321':25 '58':24 'a':5A 'all':13C 'alltime':15C 'country':21 'exotica':19 'greatest':16C 'him':3A 'hits':17C 'i':1A 'jazz':18 'met':2A 'oldies':20 'on':4A 'prerock':26 'rhonde':7A,8A 'rhonderhonde':9A 'shirelles':11B 'sunday':6A 'the':10B 'time':14C 'unsorted':27
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-3', 'q-syn-1', 'q-chart-1', 'q-other-1', 'Q-HAP-3', 'q-bass-3', 'q-grit-1']
                                      'lastfmtags'  ['60s', 'oldies', 'female vocalists', 'soul', 'pop', 'girl groups']
                                        'tag_date'  1958
                                     'discogstags'  ['rock', 'pop']

============================== file details ==============================
                                           'mtime'  1621698372.8514378  (2021-05-22 17:46:12)
                             'size'  5450112