======================== unified (from filesystem) ========================
                                         'bitrate'  '207.576'
                                        'duration'  '101'
                                          'artist'  'Kettel'
                                     'text_people'  ''
                                         'release'  'My Dogan'
                                           'title'  'Escape From ETA Th2'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-UNU-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-1', 'q-play-3', "
 "'q-chart-3', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['electronica', 'idm', 'electronic', 'experimental', 'ambient']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '16'
                                      'tracktotal'  ''
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'electronic'
                                             'bpm'  '99.177'
                                             'key'  '12A'
                                        'acoustid'  ''
rest: ''

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

'PRIV:AverageLevel:\x00\x19\x00\x00'                PRIV(owner='AverageLevel', data=b'\x00\x19\x00\x00')
'PRIV:PeakValue:¹~\x00\x00'                         PRIV(owner='PeakValue', data=b'\xb9~\x00\x00')
'TALB' (Album/Movie/Show title)                     'My Dogan'
'TBPM' (BPM (beats per minute))                     '99.177'
'TCON' (Content type, a.k.a. Genre)                 'electronic'
'TDRC' (Recording time)                             '2006'
'TIT2' (Title/songname/content description)         'Escape From ETA Th2'
'TKEY' (Initial key)                                '12A'
'TPE1' (Lead performer(s)/Soloist(s))               'Kettel'
'TRCK' (Track number/Position in set)               '16'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['electronica', 'idm', 'electronic', 'experimental', 'ambient']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.61 dB'
'TXXX:replaygain_track_peak'                        '0.588683'

========================== row from database ==========================
                                              'id'  1288380
                                            'path'  /data/Music/Bulk/00poprockelectronic/Kettel/My Dogan/16 - escape from eta th2.mp3
                                         'working'  None
                                         'bitrate'  207
                                    'duration_sec'  101
                                           'genre'  electronic
                                        'filesize'  2650669
                                           'mtime'  1636914102
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 16 escape from eta th2 electronic
                                      'tag_artist'  Kettel
                                     'tag_release'  My Dogan
                                       'tag_title'  Escape From ETA Th2
                                             'bpm'  99.177
                                    'search_title'  'escape':1 'eta':3 'from':2 'th2':4
                                   'search_artist'  'kettel':1
                                  'search_release'  'dogan':2 'my':1
                                     'search_rest'  '00poprockelectronic':1 'electronic':6 'escape':2 'eta':4 'from':3 'th2':5
                                    'search_combo'  '00poprockelectronic':8 'dogan':7C 'electronic':13 'escape':1A,9 'eta':3A,11 'from':2A,10 'kettel':5B 'my':6C 'th2':4A,12
                                    'tag_tracknum'  16
                                      'num_images'  0
                                             'key'  12A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-3', 'q-chart-3', 'q-other-4', 'Q-HAP-3', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  ['electronica', 'idm', 'electronic', 'experimental', 'ambient']
                                        'tag_date'  2006
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1636914102.0839002  (2021-11-14 19:21:42)
                             'size'  2650669