======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '131'
                                          'artist'  'The Pyramids'
                                     'text_people'  ''
                                         'release'  'Rarest of the rare, vol. 16 (Memories of days gone by)'
                                           'title'  'Write my name'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-2', 'Q-LOCALNESS-1', "
 "'Q-OLDST-2', 'q-syn-1', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['free jazz', 'surf', 'rocksteady', 'surf rock', 'skinhead reggae']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '13'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'rock-pop-early'
                                             'bpm'  '137.852'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Rarest of the rare, vol. 16 (Memories of days gone by)'
'TBPM' (BPM (beats per minute))                     '137.852'
'TCON' (Content type, a.k.a. Genre)                 'rock-pop-early'
'TIT2' (Title/songname/content description)         'Write my name'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Pyramids'
'TRCK' (Track number/Position in set)               '13'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['free jazz', 'surf', 'rocksteady', 'surf rock', 'skinhead reggae']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'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'                        '+1.56 dB'
'TXXX:replaygain_track_peak'                        '0.380174'

========================== row from database ==========================
                                              'id'  978963
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/rarest of the rare vol 16 (memories of days gone by) fct mp556/13 - the pyramids - write my name.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  131
                                           'genre'  rock-pop-early
                                        'filesize'  2167168
                                           'mtime'  1620736551
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country rarest (memories fct mp556 13 pyramids write rock pop early
                                      'tag_artist'  The Pyramids
                                     'tag_release'  Rarest of the rare, vol. 16 (Memories of days gone by)
                                       'tag_title'  Write my name
                                             'bpm'  137.852
                                    'search_title'  'my':2 'name':3 'write':1
                                   'search_artist'  'pyramids':2 'the':1
                                  'search_release'  'by':12,13 'days':10 'gone':11 'memories':8,9 'of':2 'rare':4,5 'rarest':1 'the':3 'vol':6,7
                                     'search_rest'  'country':4 'early':14 'exotica':2 'fct':8 'jazz':1 'memories':6,7 'mp556':9 'oldies':3 'pop':13 'pyramids':10 'rarest':5 'rock':12 'write':11
                                    'search_combo'  'by':17C,18C 'country':22 'days':15C 'early':32 'exotica':20 'fct':26 'gone':16C 'jazz':19 'memories':13C,14C,24,25 'mp556':27 'my':2A 'name':3A 'of':7C 'oldies':21 'pop':31 'pyramids':5B,28 'rare':9C,10C 'rarest':6C,23 'rock':30 'the':4B,8C 'vol':11C,12C 'write':1A,29
                                    'tag_tracknum'  13
                                      'num_images'  1
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['free jazz', 'surf', 'rocksteady', 'surf rock', 'skinhead reggae']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620736550.6567442  (2021-05-11 14:35:50)
                             'size'  2167168