======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '197'
                                          'artist'  'Albatross'
                                     'text_people'  ''
                                         'release'  'Tape No112 - Raw & Dangerous'
                                           'title'  "I'm Dead"
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HAP-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['progressive rock', 'heavy metal', 'tech house', 'rock', 'blues']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '06'
                                      'tracktotal'  ''
                                            'date'  '1970'
                                        'comments'  ''
                                           'genre'  'rock-gr-garage;set-pl-garagetapes'
                                             'bpm'  '102.0'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::XXX'                                         'http://garagetapes.blogspot.com/'
'TALB' (Album/Movie/Show title)                     'Tape No112 - Raw & Dangerous'
'TBPM' (BPM (beats per minute))                     '102.0'
'TCON' (Content type, a.k.a. Genre)                 ['rock-gr-garage', 'set-pl-garagetapes']
'TDRC' (Recording time)                             '1970'
'TIT2' (Title/songname/content description)         "I'm Dead"
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Albatross'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '06'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:country'                                      'AT'
'TXXX:lastfmtags'                                   ['progressive rock', 'heavy metal', 'tech house', 'rock', 'blues']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+27.03 dB'
'TXXX:replaygain_track_peak'                        '0.023632'
'TXXX:tracknum'                                     '06'

========================== row from database ==========================
                                              'id'  1501501
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/garagetapes.blogspot.com/GT112/06 - Albatross - I_m Dead (1970 AT).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  197
                                           'genre'  rock-gr-garage;set-pl-garagetapes
                                        'filesize'  4827941
                                           'mtime'  1620384367
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm garagetapes.blogspot.com GT112 06 I_m (1970 AT) rock gr garage;set pl garagetapes
                                      'tag_artist'  Albatross
                                     'tag_release'  Tape No112 - Raw & Dangerous
                                       'tag_title'  I'm Dead
                                             'bpm'  102.0
                                    'search_title'  'dead':4 'i':1 'im':3 'm':2
                                   'search_artist'  'albatross':1
                                  'search_release'  'dangerous':4 'no112':2 'raw':3 'tape':1
                                     'search_rest'  '1970':8,9 'at':10,11 'blogspot':2 'com':3 'garage':14,16 'garagetapes':1,19 'garagetapesblogspotcom':4 'gr':13 'gt112':5 'i':6 'm':7 'pl':18 'rock':12 'set':15,17
                                    'search_combo'  '1970':17,18 'albatross':5B 'at':19,20 'blogspot':11 'com':12 'dangerous':9C 'dead':4A 'garage':23,25 'garagetapes':10,28 'garagetapesblogspotcom':13 'gr':22 'gt112':14 'i':1A,15 'im':3A 'm':2A,16 'no112':7C 'pl':27 'raw':8C 'rock':21 'set':24,26 'tape':6C
                                    'tag_tracknum'  6
                                      'num_images'  1
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-1', 'q-other-3', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['progressive rock', 'heavy metal', 'tech house', 'rock', 'blues']
                                        'tag_date'  1970
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620384367.0118425  (2021-05-07 12:46:07)
                             'size'  4827941