======================== unified (from filesystem) ========================
                                         'bitrate'  '319.718'
                                        'duration'  '358'
                                          'artist'  'DAF'
                                     'text_people'  'Deutsch Amerikanische Freundschaft'
                                         'release'  'D.A.F. (The Best Of)'
                                           'title'  'Liebe auf den ersten Blick'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-2', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['ebm', 'industrial', 'electronic', 'german', '80s']"
                                     'discogstags'  "['progressive house', 'electronic', 'tech house']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '08'
                                      'tracktotal'  ''
                                            'date'  '1988'
                                        'comments'  ''
                                           'genre'  'electronic-we-electropop or synthpop'
                                             'bpm'  '136.4'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'RVA2:'                                             RVA2(desc='', channel=1, gain=5.06640625, peak=0.0)
'TALB' (Album/Movie/Show title)                     'D.A.F. (The Best Of)'
'TBPM' (BPM (beats per minute))                     '136.4'
'TCOM' (Composer)                                   'Deutsch Amerikanische Freundschaft'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-electropop or synthpop'
'TDRC' (Recording time)                             '1988'
'TIT2' (Title/songname/content description)         'Liebe auf den ersten Blick'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'D.A.F.'
'TPE2' (Band/orchestra/accompaniment)               'DAF'
'TRCK' (Track number/Position in set)               '08'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['progressive house', 'electronic', 'tech house']
'TXXX:lastfmtags'                                   ['ebm', 'industrial', 'electronic', 'german', '80s']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.35 dB'
'TXXX:replaygain_track_peak'                        '0.870224'

========================== row from database ==========================
                                              'id'  1288432
                                            'path'  /data/Music/Bulk/00poprockelectronic/00electro-electropop-synthpop/DAF/D.A.F. (The Best Of)/08_Liebe_auf_den_ersten_Blick.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  358
                                           'genre'  electronic-we-electropop or synthpop
                                        'filesize'  14365444
                                           'mtime'  1647348075
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00electro electropop synthpop 08_Liebe_auf_den_ersten_Blick electronic we electropop or synthpop
                                      'tag_artist'  DAF
                                     'tag_release'  D.A.F. (The Best Of)
                                       'tag_title'  Liebe auf den ersten Blick
                                             'bpm'  136.4
                                    'search_title'  'auf':2 'blick':5 'den':3 'ersten':4 'liebe':1
                                   'search_artist'  'daf':1
                                  'search_release'  'a':2 'best':7 'd':1 'daf':4 'f':3 'of':8,9 'the':5,6
                                     'search_rest'  '00electro':2 '00poprockelectronic':1 '08':5 'auf':7 'blick':10 'den':8 'electronic':11 'electropop':3 'ersten':9 'liebe':6 'or':13 'synthpop':4 'we':12
                                    'search_combo'  '00electro':17 '00poprockelectronic':16 '08':20 'a':8C 'auf':2A,22 'best':13C 'blick':5A,25 'd':7C 'daf':6B,10C 'den':3A,23 'electronic':26 'electropop':18 'ersten':4A,24 'f':9C 'liebe':1A,21 'of':14C,15C 'or':28 'synthpop':19 'the':11C,12C 'we':27
                                    'tag_tracknum'  8
                                      'num_images'  1
                                             'key'  10A
                                           'quals'  ['Q-HAP-2', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-2', 'Q-OLDST-3', 'q-syn-3', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', 'q-mixbeat-3']
                                      'lastfmtags'  ['ebm', 'industrial', 'electronic', 'german', '80s']
                                        'tag_date'  1988
                                     'discogstags'  ['progressive house', 'electronic', 'tech house']

============================== file details ==============================
                                           'mtime'  1647348074.8207788  (2022-03-15 13:41:14)
                             'size'  14365444