======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '281'
                                          'artist'  'Ladislav Vodicka'
                                     'text_people'  ''
                                         'release'  'The Best Of Country Beat'
                                           'title'  'Shane'
                                           'quals'  ("['Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-1', "
 "'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']")
                                      'lastfmtags'  "['country', 'folk', 'czech', 'rap']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '11'
                                      'tracktotal'  ''
                                            'date'  '1972'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '144.335'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::eng'                                         '365 Days Project'
'COMM:ID3v1 Comment:XXX'                            '365 Days Project'
'TALB' (Album/Movie/Show title)                     'The Best Of Country Beat'
'TBPM' (BPM (beats per minute))                     '144.335'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TDRC' (Recording time)                             '1972'
'TIT2' (Title/songname/content description)         'Shane'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Ladislav Vodicka'
'TRCK' (Track number/Position in set)               '11'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['country', 'folk', 'czech', 'rap']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'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'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.06 dB'
'TXXX:replaygain_track_peak'                        '0.852359'

========================== row from database ==========================
                                              'id'  1302753
                                            'path'  /data/Music/Bulk/00poprockelectronic/11/317_11_Ladislav_Vodicka_-_Shane.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  281
                                           'genre'  electronic-unsorted
                                        'filesize'  7458059
                                           'mtime'  1620565332
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 11 317_11_Ladislav_Vodicka_ _Shane electronic unsorted
                                      'tag_artist'  Ladislav Vodicka
                                     'tag_release'  The Best Of Country Beat
                                       'tag_title'  Shane
                                             'bpm'  144.335
                                    'search_title'  'shane':1
                                   'search_artist'  'ladislav':1 'vodicka':2
                                  'search_release'  'beat':5 'best':2 'country':4 'of':3 'the':1
                                     'search_rest'  '00poprockelectronic':1 '11':3 '317':2 'electronic':7 'ladislav':4 'shane':6 'unsorted':8 'vodicka':5
                                    'search_combo'  '00poprockelectronic':9 '11':11 '317':10 'beat':8C 'best':5C 'country':7C 'electronic':15 'ladislav':2B,12 'of':6C 'shane':1A,14 'the':4C 'unsorted':16 'vodicka':3B,13
                                    'tag_tracknum'  11
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-1', 'q-other-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['country', 'folk', 'czech', 'rap']
                                        'tag_date'  1972
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620565332.32626  (2021-05-09 15:02:12)
                             'size'  7458059