======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '377'
                                          'artist'  'Melokind'
                                     'text_people'  ''
                                         'release'  'AlbertFM'
                                           'title'  'Katzenfutter (Thomas Lizzara Remix)'
                                           'quals'  ("['Q-MIXBEAT-3', 'Q-HAP-2', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', "
 "'Q-LOCALNESS-2', 'Q-OLDST-3', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-2', "
 "'q-play-3', 'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', "
 "'q-vocals-1']")
                                      'lastfmtags'  "['minimal', 'electronic', 'electro', 'german', 'germany']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2014'
                                        'comments'  ''
                                           'genre'  'electronic-th-techno-minimal or deephouse'
                                             'bpm'  '122.0'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

'COMM::XXX'                                         'Downloaded via https://datmusic.xyz'
'TALB' (Album/Movie/Show title)                     'AlbertFM'
'TBPM' (BPM (beats per minute))                     '122.0'
'TCMP'                                              '0'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-techno-minimal or deephouse'
'TIT2' (Title/songname/content description)         'Katzenfutter (Thomas Lizzara Remix)'
'TKEY' (Initial key)                                '9B'
'TPE1' (Lead performer(s)/Soloist(s))               'Melokind'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TXXX:DATE'                                         '2014'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-MIXBEAT'                                    '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['minimal', 'electronic', 'electro', 'german', 'germany']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.46 dB'
'TXXX:replaygain_track_peak'                        '0.450084'

========================== row from database ==========================
                                              'id'  1343426
                                            'path'  /data/Music/Bulk/00poprockelectronic/00techno-house-harder-beats/Varis - C_201x Techno melodic/Melokind - Katzenfutter (Thomas Lizzara Remix).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  377
                                           'genre'  electronic-th-techno-minimal or deephouse
                                        'filesize'  15115409
                                           'mtime'  1621085209
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00techno house harder beats Varis C_201x Techno melodic electronic th techno minimal or deephouse
                                      'tag_artist'  Melokind
                                     'tag_release'  AlbertFM
                                       'tag_title'  Katzenfutter (Thomas Lizzara Remix)
                                             'bpm'  122.0
                                    'search_title'  'katzenfutter':1 'lizzara':4 'remix':5,6 'thomas':2,3
                                   'search_artist'  'melokind':1
                                  'search_release'  'albert':2 'albertfm':1 'fm':3
                                     'search_rest'  '00poprockelectronic':1 '00techno':2 '201x':8 'beats':5 'c':7 'deephouse':15 'electronic':11 'harder':4 'house':3 'melodic':10 'minimal':13 'or':14 'techno':9 'th':12 'varis':6
                                    'search_combo'  '00poprockelectronic':11 '00techno':12 '201x':18 'albert':9C 'albertfm':8C 'beats':15 'c':17 'deephouse':25 'electronic':21 'fm':10C 'harder':14 'house':13 'katzenfutter':1A 'lizzara':4A 'melodic':20 'melokind':7B 'minimal':23 'or':24 'remix':5A,6A 'techno':19 'th':22 'thomas':2A,3A 'varis':16
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-2', '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-2', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['minimal', 'electronic', 'electro', 'german', 'germany']
                                        'tag_date'  2014
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1621085209.1586435  (2021-05-15 15:26:49)
                             'size'  15115409