======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '136'
                                          'artist'  'David Seville'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'The Bird On My Head'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-4', 'q-busy-2', 'q-grit-1', 'q-play-2', "
 "'q-chart-1', 'q-drums-2', 'q-other-1', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['funny', 'comedy', 'pop', '60s', '50s']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '22'
                                      'tracktotal'  ''
                                            'date'  '1958'
                                        'comments'  ''
                                           'genre'  'prerock-unsorted'
                                             'bpm'  '145.895'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         '58-256 POS 34'
'COMM:ID3v1 Comment:XXX'                            '58-256 POS 34'
'MCDI' (Music CD identifier)                        MCDI(data=b'1\x009\x00+\x009\x006\x00+\x007\x000\x00A\x004\x00+\x00B\x002\x008\x008\x00+\x00E\x00C\x00C\x009\x00+\x001\x001\x006\x00C\x007\x00+\x001\x004\x005\x00F\x005\x00+\x001\x007\x000\x00D\x008\x00+\x001\x009\x00C\x001\x00B\x00+\x001\x00C\x006\x003\x002\x00+\x001\x00E\x00D\x003\x00A\x00+\x002\x002\x00A\x001\x009\x00+\x002\x004\x00E\x00B\x009\x00+\x002\x008\x002\x000\x00D\x00+\x002\x00C\x00C\x00D\x00A\x00+\x003\x001\x00D\x001\x006\x00+\x003\x006\x001\x004\x00A\x00+\x003\x00A\x004\x00F\x007\x00+\x003\x00C\x00F\x003\x007\x00+\x003\x00F\x00F\x00B\x00C\x00+\x004\x003\x00F\x005\x00A\x00+\x004\x006\x00F\x000\x00F\x00+\x004\x00A\x002\x00E\x002\x00+\x004\x00C\x00A\x00E\x008\x00+\x004\x00F\x009\x002\x005\x00+\x005\x002\x00A\x004\x009\x00+\x005\x006\x001\x002\x001\x00\x00\x00')
'PRIV:AverageLevel:È\x1b\x00\x00'                   PRIV(owner='AverageLevel', data=b'\xc8\x1b\x00\x00')
'PRIV:PeakValue:ôv\x00\x00'                         PRIV(owner='PeakValue', data=b'\xf4v\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/UniqueFileIdentifier:;\x00\x00\x00'        PRIV(owner='WM/UniqueFileIdentifier', data=b';\x00\x00\x00')
'TBPM' (BPM (beats per minute))                     '145.895'
'TCON' (Content type, a.k.a. Genre)                 'prerock-unsorted'
'TDRC' (Recording time)                             '1958'
'TIT2' (Title/songname/content description)         'The Bird On My Head'
'TKEY' (Initial key)                                '8A'
'TLEN' (Length)                                     '136613'
'TPE1' (Lead performer(s)/Soloist(s))               'David Seville'
'TRCK' (Track number/Position in set)               '22'
'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'                                   ['funny', 'comedy', 'pop', '60s', '50s']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'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'                        '-0.05 dB'
'TXXX:replaygain_track_peak'                        '0.389787'

========================== row from database ==========================
                                              'id'  1446808
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1958/58-256 - David Seville - The Bird On My Head.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  136
                                           'genre'  prerock-unsorted
                                        'filesize'  5466193
                                           'mtime'  1621698367
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1958 58 256 prerock unsorted
                                      'tag_artist'  David Seville
                                     'tag_release'  None
                                       'tag_title'  The Bird On My Head
                                             'bpm'  145.895
                                    'search_title'  'bird':2 'head':5 'my':4 'on':3 'the':1
                                   'search_artist'  'david':1 'seville':2
                                  'search_release'  
                                     'search_rest'  '00oldiepop':5 '1958':6 '256':8 '58':7 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':9 'unsorted':10
                                    'search_combo'  '00oldiepop':12 '1958':13 '256':15 '58':14 'bird':2A 'country':11 'david':6B 'exotica':9 'head':5A 'jazz':8 'my':4A 'oldies':10 'on':3A 'prerock':16 'seville':7B 'the':1A 'unsorted':17
                                    'tag_tracknum'  22
                                      '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-2', 'q-drums-2', 'q-syn-1', 'q-chart-1', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  ['funny', 'comedy', 'pop', '60s', '50s']
                                        'tag_date'  1958
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621698367.4351325  (2021-05-22 17:46:07)
                             'size'  5466193