======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '518'
                                          'artist'  'Milan Kymlicka'
                                     'text_people'  ''
                                         'release'  'Krtek - Music For The Mole Cartoons Of Zdenek Miler'
                                           'title'  'Krtek A Raketa (The Mole And The Rocket)'
                                           'quals'  ("['Q-HAP-3', 'Q-OLDST-2', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-3', 'q-syn-1', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-2', 'q-other-4', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '02'
                                      'tracktotal'  ''
                                            'date'  '1966'
                                        'comments'  ''
                                           'genre'  'loc-eur-czechslovakia;set-pl-shirleyspinoza;set-pl-mor'
                                             'bpm'  '133.2'
                                             'key'  '2A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Krtek - Music For The Mole Cartoons Of Zdenek Miler'
'TBPM' (BPM (beats per minute))                     '133.2'
'TCON' (Content type, a.k.a. Genre)                 ['loc-eur-czechslovakia', 'set-pl-shirleyspinoza', 'set-pl-mor']
'TDRC' (Recording time)                             '1966'
'TIT2' (Title/songname/content description)         'Krtek A Raketa (The Mole And The Rocket)'
'TKEY' (Initial key)                                '2A'
'TPE1' (Lead performer(s)/Soloist(s))               'Milan Kymlicka'
'TRCK' (Track number/Position in set)               '02'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+4.76 dB'
'TXXX:replaygain_track_peak'                        '0.428153'

========================== row from database ==========================
                                              'id'  973353
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/LPH 030 - Krtek - Music for the Mole cartoons (1963-71)/02-Milan Kymlicka - Krtek A Raketa (The Mole And The Rocket).mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  518
                                           'genre'  loc-eur-czechslovakia;set-pl-shirleyspinoza;set-pl-mor
                                        'filesize'  8290550
                                           'mtime'  1620533051
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm LPH 030 for the cartoons (1963 71) 02 loc eur czechslovakia;set pl shirleyspinoza;set pl mor
                                      'tag_artist'  Milan Kymlicka
                                     'tag_release'  Krtek - Music For The Mole Cartoons Of Zdenek Miler
                                       'tag_title'  Krtek A Raketa (The Mole And The Rocket)
                                             'bpm'  133.2
                                    'search_title'  'a':2 'and':7 'krtek':1 'mole':6 'raketa':3 'rocket':8,9 'the':4,5
                                   'search_artist'  'kymlicka':2 'milan':1
                                  'search_release'  'cartoons':6 'for':3 'krtek':1 'miler':9 'mole':5 'music':2 'of':7 'the':4 'zdenek':8
                                     'search_rest'  '1963':5,6 '71':7,8 'cartoons':4 'czechslovakia':11,13 'eur':10 'for':2 'loc':9 'lph':1 'mor':20 'pl':15 'set':12,14,17,19 'shirleyspinoza':16,18 'the':3
                                    'search_combo'  '1963':25,26 '71':27,28 'a':2A 'and':7A 'cartoons':17C,24 'czechslovakia':31,33 'eur':30 'for':14C,22 'krtek':1A,12C 'kymlicka':11B 'loc':29 'lph':21 'milan':10B 'miler':20C 'mole':6A,16C 'mor':40 'music':13C 'of':18C 'pl':35 'raketa':3A 'rocket':8A,9A 'set':32,34,37,39 'shirleyspinoza':36,38 'the':4A,5A,15C,23 'zdenek':19C
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  2A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-1', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1966
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620533050.706082  (2021-05-09 06:04:10)
                             'size'  8290550