======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '216'
                                          'artist'  'Boris Brejcha ft Laura Korinth'
                                     'text_people'  ''
                                         'release'  'AlbertFM'
                                           'title'  'Gravity'
                                           'quals'  ("['Q-MIXBEAT-3', 'Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'Q-JZFKS-1', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-2', "
 "'q-play-3', 'q-chart-2', 'q-drums-4', 'q-other-1', 'q-piano-1', "
 "'q-vocals-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'electronic-th-techno-minimal or deephouse'
                                             'bpm'  '125'
                                             'key'  '7B'
                                        'acoustid'  ''
rest: ''

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

'COMM::XXX'                                         '.[ AFO (C) 2019 ].'
'POPM:no@email'                                     POPM(email='no@email', rating=0, count=0)
'TALB' (Album/Movie/Show title)                     'AlbertFM'
'TBPM' (BPM (beats per minute))                     '125'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-techno-minimal or deephouse'
'TIT2' (Title/songname/content description)         'Gravity'
'TKEY' (Initial key)                                '7B'
'TLEN' (Length)                                     '216000'
'TPE1' (Lead performer(s)/Soloist(s))               'Boris Brejcha ft Laura Korinth'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-MIXBEAT'                                    '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:date'                                         '2019'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+6.10 dB'
'TXXX:replaygain_track_peak'                        '0.184133'

========================== row from database ==========================
                                              'id'  1356198
                                            'path'  /data/Music/Bulk/00poprockelectronic/00techno-house-harder-beats/Varis - C_201x Techno melodic/Boris Brejcha ft Laura Korinth - Gravity.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  216
                                           'genre'  electronic-th-techno-minimal or deephouse
                                        'filesize'  8643658
                                           'mtime'  1621085199
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00techno house harder beats Varis C_201x Techno melodic electronic techno minimal deephouse
                                      'tag_artist'  Boris Brejcha ft Laura Korinth
                                     'tag_release'  AlbertFM
                                       'tag_title'  Gravity
                                             'bpm'  125.0
                                    'search_title'  'gravity':1
                                   'search_artist'  'boris':1 'brejcha':2 'ft':3 'korinth':5 'laura':4
                                  'search_release'  'albert':2 'albertfm':1 'fm':3
                                     'search_rest'  '00poprockelectronic':1 '00techno':2 '201x':8 'beats':5 'c':7 'deephouse':13 'electronic':11 'harder':4 'house':3 'melodic':10 'minimal':12 'techno':9 'varis':6
                                    'search_combo'  '00poprockelectronic':10 '00techno':11 '201x':17 'albert':8C 'albertfm':7C 'beats':14 'boris':2B 'brejcha':3B 'c':16 'deephouse':22 'electronic':20 'fm':9C 'ft':4B 'gravity':1A 'harder':13 'house':12 'korinth':6B 'laura':5B 'melodic':19 'minimal':21 'techno':18 'varis':15
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  7B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'Q-MIXBEAT-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-1', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621085199.0848753  (2021-05-15 15:26:39)
                             'size'  8643658