======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '132'
                                          'artist'  'Travis & Bob'
                                     'text_people'  'Travis Pritchett'
                                         'release'  "The Golden Age of American Rock 'n' Roll, Vol. 5"
                                           'title'  'Tell Him No'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-2', 'q-busy-2', 'q-grit-1', 'q-play-2', "
 "'q-chart-1', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['pop', 'oldies', 'rock and roll', 'spotify', '50s']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '26'
                                      'tracktotal'  ''
                                            'date'  '1959'
                                        'comments'  ''
                                           'genre'  'prerock-doowop'
                                             'bpm'  '92.687'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         '59-071 POS 8'
'COMM:ID3v1 Comment:XXX'                            '59-071 POS 8'
'MCDI' (Music CD identifier)                        MCDI(data=b'1\x00E\x00+\x009\x006\x00+\x002\x004\x00E\x007\x00+\x004\x006\x008\x002\x00+\x006\x00D\x005\x003\x00+\x009\x009\x004\x00D\x00+\x00C\x004\x000\x004\x00+\x00E\x00E\x005\x007\x00+\x001\x002\x002\x007\x000\x00+\x001\x004\x00B\x007\x009\x00+\x001\x007\x002\x000\x000\x00+\x001\x009\x009\x00F\x00B\x00+\x001\x00C\x004\x009\x00E\x00+\x001\x00E\x008\x004\x00D\x00+\x002\x001\x000\x000\x00C\x00+\x002\x003\x00E\x00E\x007\x00+\x002\x006\x007\x005\x005\x00+\x002\x008\x00B\x001\x00D\x00+\x002\x00B\x001\x002\x001\x00+\x002\x00E\x000\x000\x00B\x00+\x003\x000\x005\x00B\x008\x00+\x003\x003\x000\x005\x00E\x00+\x003\x005\x00B\x00E\x007\x00+\x003\x008\x00A\x006\x00F\x00+\x003\x00B\x00B\x007\x008\x00+\x003\x00E\x004\x004\x002\x00+\x004\x000\x00C\x004\x002\x00+\x004\x003\x003\x003\x009\x00+\x004\x006\x006\x003\x00D\x00+\x004\x009\x008\x00B\x005\x00+\x004\x00C\x002\x00A\x00E\x00+\x004\x00F\x003\x002\x00D\x00\x00\x00')
'PRIV:AverageLevel:7\x0e\x00\x00'                   PRIV(owner='AverageLevel', data=b'7\x0e\x00\x00')
'PRIV:PeakValue:¨e\x00\x00'                         PRIV(owner='PeakValue', data=b'\xa8e\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 \x002\x003\x001\x000\x008\x005\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00V\x00A\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x003\x004\x003\x004\x009\x008\x002\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x002\x003\x001\x000\x008\x005\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00V\x00A\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x003\x004\x003\x004\x009\x008\x002\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:\x8e¸\r\x99Ù¶ÀC®\x1cù\x829PCs'  PRIV(owner='WM/WMCollectionGroupID', data=b'\x8e\xb8\r\x99\xd9\xb6\xc0C\xae\x1c\xf9\x829PCs')
'PRIV:WM/WMCollectionID:\x8e¸\r\x99Ù¶ÀC®\x1cù\x829PCs'  PRIV(owner='WM/WMCollectionID', data=b'\x8e\xb8\r\x99\xd9\xb6\xc0C\xae\x1c\xf9\x829PCs')
'PRIV:WM/WMContentID:`³W\r2ß\x89K\xad\x9a\x83*âj\tg'  PRIV(owner='WM/WMContentID', data=b'`\xb3W\r2\xdf\x89K\xad\x9a\x83*\xe2j\tg')
'TALB' (Album/Movie/Show title)                     "The Golden Age of American Rock 'n' Roll, Vol. 5"
'TBPM' (BPM (beats per minute))                     '92.687'
'TCOM' (Composer)                                   'Travis Pritchett'
'TCON' (Content type, a.k.a. Genre)                 'prerock-doowop'
'TDRC' (Recording time)                             '1959'
'TIT2' (Title/songname/content description)         'Tell Him No'
'TKEY' (Initial key)                                '12B'
'TLEN' (Length)                                     '133000'
'TPE1' (Lead performer(s)/Soloist(s))               'Travis & Bob'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPUB' (Publisher)                                  'Ace'
'TRCK' (Track number/Position in set)               '26'
'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:lastfmtags'                                   ['pop', 'oldies', 'rock and roll', 'spotify', '50s']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.91 dB'
'TXXX:replaygain_track_peak'                        '0.474821'

========================== row from database ==========================
                                              'id'  1442152
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1959/59-071 - Travis & Bob - Tell Him No.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  132
                                           'genre'  prerock-doowop
                                        'filesize'  5322556
                                           'mtime'  1621705424
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1959 59 071 prerock doowop
                                      'tag_artist'  Travis & Bob
                                     'tag_release'  The Golden Age of American Rock 'n' Roll, Vol. 5
                                       'tag_title'  Tell Him No
                                             'bpm'  92.687
                                    'search_title'  'him':2 'no':3 'tell':1
                                   'search_artist'  'bob':2 'travis':1
                                  'search_release'  '5':13 'age':3 'american':5 'golden':2 'n':7,8 'of':4 'rock':6 'roll':9,10 'the':1 'vol':11,12
                                     'search_rest'  '00oldiepop':5 '1959':6 '59':7 'country':4 'doowop':9 'exotica':2 'jazz':1 'oldies':3 'prerock':8
                                    'search_combo'  '00oldiepop':23 '1959':24 '5':18C '59':25 'age':8C 'american':10C 'bob':5B 'country':22 'doowop':27 'exotica':20 'golden':7C 'him':2A 'jazz':19 'n':12C,13C 'no':3A 'of':9C 'oldies':21 'prerock':26 'rock':11C 'roll':14C,15C 'tell':1A 'the':6C 'travis':4B 'vol':16C,17C
                                    'tag_tracknum'  26
                                      'num_images'  0
                                             'key'  12B
                                           '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-2', 'q-syn-1', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-2', 'q-grit-1']
                                      'lastfmtags'  ['pop', 'oldies', 'rock and roll', 'spotify', '50s']
                                        'tag_date'  1959
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621705424.2273006  (2021-05-22 19:43:44)
                             'size'  5322556