======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '151'
                                          'artist'  'Royal Teens'
                                     'text_people'  ''
                                         'release'  'Spotlight on Capital Records -'
                                           'title'  'Believe Me'
                                           'quals'  ("['Q-JZFKS-2', '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-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']")
                                      'lastfmtags'  "['acoustic', 'edhits', 'rhythm and blues', 'soul', 'rnb']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '13'
                                      'tracktotal'  ''
                                            'date'  '1959'
                                        'comments'  ''
                                           'genre'  'prerock-unsorted'
                                             'bpm'  '145.267'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         '59-179 POS 26'
'COMM:ID3v1 Comment:XXX'                            '59-179 POS 26'
'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')
'TALB' (Album/Movie/Show title)                     'Spotlight on Capital Records -'
'TBPM' (BPM (beats per minute))                     '145.267'
'TCON' (Content type, a.k.a. Genre)                 'prerock-unsorted'
'TDRC' (Recording time)                             '1959'
'TIT2' (Title/songname/content description)         'Believe Me'
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'Royal Teens'
'TRCK' (Track number/Position in set)               '13'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['acoustic', 'edhits', 'rhythm and blues', 'soul', 'rnb']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'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'                        '-0.27 dB'
'TXXX:replaygain_track_peak'                        '0.604897'

========================== row from database ==========================
                                              'id'  1426698
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1959/59-179 - Royal Teens - Believe Me.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  151
                                           'genre'  prerock-unsorted
                                        'filesize'  6047616
                                           'mtime'  1620387799
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1959 59 179 prerock unsorted
                                      'tag_artist'  Royal Teens
                                     'tag_release'  Spotlight on Capital Records -
                                       'tag_title'  Believe Me
                                             'bpm'  145.267
                                    'search_title'  'believe':1 'me':2
                                   'search_artist'  'royal':1 'teens':2
                                  'search_release'  'capital':3 'on':2 'records':4 'spotlight':1
                                     'search_rest'  '00oldiepop':5 '179':8 '1959':6 '59':7 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':9 'unsorted':10
                                    'search_combo'  '00oldiepop':13 '179':16 '1959':14 '59':15 'believe':1A 'capital':7C 'country':12 'exotica':10 'jazz':9 'me':2A 'oldies':11 'on':6C 'prerock':17 'records':8C 'royal':3B 'spotlight':5C 'teens':4B 'unsorted':18
                                    'tag_tracknum'  13
                                      'num_images'  0
                                             'key'  5A
                                           '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-2', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-3', 'q-bass-3', 'q-grit-1']
                                      'lastfmtags'  ['acoustic', 'edhits', 'rhythm and blues', 'soul', 'rnb']
                                        'tag_date'  1959
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620387798.671834  (2021-05-07 13:43:18)
                             'size'  6047616