======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '282'
                                          'artist'  'Alamaailman Vasarat'
                                     'text_people'  ''
                                         'release'  'Vasaraasia'
                                           'title'  'Tankkaustunti'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-OLDST-2', "
 "'Q-LOCALNESS-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['finnish', 'avant garde', 'jazz', 'instrumental', 'progressive rock', "
 "'experimental']")
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '08'
                                      'tracktotal'  '13'
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'electronic-experimental;loc-eur-northern-finland'
                                             'bpm'  '87.939'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Vasaraasia'
'TBPM' (BPM (beats per minute))                     '87.939'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-experimental', 'loc-eur-northern-finland']
'TDRC' (Recording time)                             '2000'
'TIT2' (Title/songname/content description)         'Tankkaustunti'
'TKEY' (Initial key)                                '7A'
'TPE1' (Lead performer(s)/Soloist(s))               'Alamaailman Vasarat'
'TRCK' (Track number/Position in set)               '08/13'
'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:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['finnish',
 'avant garde',
 'jazz',
 'instrumental',
 'progressive rock',
 'experimental']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.60 dB'
'TXXX:replaygain_track_peak'                        '0.637095'

========================== row from database ==========================
                                              'id'  1387339
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/2000 - Vasaraasia/[CBR 320]/08 - Tankkaustunti.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  282
                                           'genre'  electronic-experimental;loc-eur-northern-finland
                                        'filesize'  11494789
                                           'mtime'  1621628536
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm 2000 [CBR 320] 08 electronic experimental;loc eur northern finland
                                      'tag_artist'  Alamaailman Vasarat
                                     'tag_release'  Vasaraasia
                                       'tag_title'  Tankkaustunti
                                             'bpm'  87.939
                                    'search_title'  'tankkaustunti':1
                                   'search_artist'  'alamaailman':1 'vasarat':2
                                  'search_release'  'vasaraasia':1
                                     'search_rest'  '2000':1 '320':4,5 'cbr':2,3 'electronic':6 'eur':11 'experimental':7,9 'finland':13 'loc':8,10 'northern':12
                                    'search_combo'  '2000':5 '320':8,9 'alamaailman':2B 'cbr':6,7 'electronic':10 'eur':15 'experimental':11,13 'finland':17 'loc':12,14 'northern':16 'tankkaustunti':1A 'vasaraasia':4C 'vasarat':3B
                                    'tag_tracknum'  8
                                      'num_images'  1
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['finnish', 'avant garde', 'jazz', 'instrumental', 'progressive rock', 'experimental']
                                        'tag_date'  2000
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1621628536.414071  (2021-05-21 22:22:16)
                             'size'  11494789