======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '177'
                                          'artist'  'Four Aces featuring Al Alberts'
                                     'text_people'  'George Forest/Robert C. Wright'
                                         'release'  "The Four Aces' Greatest Hits"
                                           'title'  'Stranger In Paradise'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-3', 'q-busy-3', 'q-grit-1', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  ''
                                            'date'  '1954'
                                        'comments'  ''
                                           'genre'  'prerock-vocal'
                                             'bpm'  '85.489'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'COMM::XXX'                                         '54-022 POS 3'
'COMM:ID3v1 Comment:XXX'                            '54-022 POS 3'
'MCDI' (Music CD identifier)                        MCDI(data=b'1\x002\x00+\x009\x006\x00+\x003\x008\x008\x003\x00+\x005\x00B\x00C\x00E\x00+\x009\x000\x00C\x009\x00+\x00B\x00E\x00F\x005\x00+\x00E\x00F\x00E\x006\x00+\x001\x002\x007\x008\x00C\x00+\x001\x004\x00F\x00D\x004\x00+\x001\x008\x000\x00F\x006\x00+\x001\x00A\x00F\x006\x003\x00+\x001\x00E\x003\x004\x00F\x00+\x002\x000\x00F\x001\x002\x00+\x002\x003\x007\x000\x003\x00+\x002\x006\x00B\x009\x007\x00+\x002\x009\x00C\x001\x006\x00+\x002\x00C\x00F\x00B\x002\x00+\x003\x000\x000\x007\x00C\x00+\x003\x003\x00A\x00E\x000\x00+\x003\x006\x009\x001\x001\x00\x00\x00')
'PRIV:AverageLevel:I\x0e\x00\x00'                   PRIV(owner='AverageLevel', data=b'I\x0e\x00\x00')
'PRIV:PeakValue:lX\x00\x00'                         PRIV(owner='PeakValue', data=b'lX\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 \x001\x009\x000\x006\x000\x007\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x00 \x001\x004\x008\x006\x006\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x001\x003\x008\x008\x006\x001\x000\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x001\x009\x000\x006\x000\x007\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x00 \x001\x004\x008\x006\x006\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x001\x003\x008\x008\x006\x001\x000\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:þ6RUòZ\x88L®@Q©Pü{N'   PRIV(owner='WM/WMCollectionGroupID', data=b'\xfe6RU\xf2Z\x88L\xae@Q\xa9P\xfc{N')
'PRIV:WM/WMCollectionID:þ6RUòZ\x88L®@Q©Pü{N'        PRIV(owner='WM/WMCollectionID', data=b'\xfe6RU\xf2Z\x88L\xae@Q\xa9P\xfc{N')
'PRIV:WM/WMContentID:Ï3¥X¤eÉF£\x08éî\toð\x98'       PRIV(owner='WM/WMContentID', data=b'\xcf3\xa5X\xa4e\xc9F\xa3\x08\xe9\xee\to\xf0\x98')
'TALB' (Album/Movie/Show title)                     "The Four Aces' Greatest Hits"
'TBPM' (BPM (beats per minute))                     '85.489'
'TCOM' (Composer)                                   'George Forest/Robert C. Wright'
'TCON' (Content type, a.k.a. Genre)                 'prerock-vocal'
'TIT2' (Title/songname/content description)         'Stranger In Paradise'
'TKEY' (Initial key)                                '8A'
'TLEN' (Length)                                     '177226'
'TPE1' (Lead performer(s)/Soloist(s))               'Four Aces featuring Al Alberts'
'TPUB' (Publisher)                                  'MCA'
'TRCK' (Track number/Position in set)               '10'
'TXXX:DATE'                                         '1954'
'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:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.15 dB'
'TXXX:replaygain_track_peak'                        '0.418586'

========================== row from database ==========================
                                              'id'  1446653
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1954/54-022 - Four Aces featuring Al Alberts - Stranger In Paradise.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  177
                                           'genre'  prerock-vocal
                                        'filesize'  7087104
                                           'mtime'  1621853323
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1954 54 022 prerock vocal
                                      'tag_artist'  Four Aces featuring Al Alberts
                                     'tag_release'  The Four Aces' Greatest Hits
                                       'tag_title'  Stranger In Paradise
                                             'bpm'  85.489
                                    'search_title'  'in':2 'paradise':3 'stranger':1
                                   'search_artist'  'aces':2 'al':4 'alberts':5 'featuring':3 'four':1
                                  'search_release'  'aces':3,4 'four':2 'greatest':5 'hits':6 'the':1
                                     'search_rest'  '00oldiepop':5 '1954':6 '54':7 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':8 'vocal':9
                                    'search_combo'  '00oldiepop':19 '1954':20 '54':21 'aces':5B,11C,12C 'al':7B 'alberts':8B 'country':18 'exotica':16 'featuring':6B 'four':4B,10C 'greatest':13C 'hits':14C 'in':2A 'jazz':15 'oldies':17 'paradise':3A 'prerock':22 'stranger':1A 'the':9C 'vocal':23
                                    'tag_tracknum'  10
                                      'num_images'  0
                                             'key'  8A
                                           '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-3', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-1']
                                      'lastfmtags'  []
                                        'tag_date'  1954
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621853322.6055665  (2021-05-24 12:48:42)
                             'size'  7087104