======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '152'
                                          'artist'  'The Things'
                                     'text_people'  ''
                                         'release'  'Tape No074 - I Talk To The Sun'
                                           'title'  "I Don't Believe It"
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HAP-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['garage punk', 'rock', 'lesser known yet streamable artists', 'paisley "
 "underground', 'drive punk']")
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '01'
                                      'tracktotal'  ''
                                            'date'  '1965'
                                        'comments'  ''
                                           'genre'  'rock-gr-garage;set-pl-garagetapes'
                                             'bpm'  '98.4'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::eng'                                         'http://garagetapes.blogspot.com/'
'TALB' (Album/Movie/Show title)                     'Tape No074 - I Talk To The Sun'
'TBPM' (BPM (beats per minute))                     '98.4'
'TCON' (Content type, a.k.a. Genre)                 ['rock-gr-garage', 'set-pl-garagetapes']
'TDRC' (Recording time)                             '1965'
'TIT2' (Title/songname/content description)         "I Don't Believe It"
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Things'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '01'
'TXXX:COUNTRY'                                      'US'
'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:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['garage punk',
 'rock',
 'lesser known yet streamable artists',
 'paisley underground',
 'drive punk']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+22.95 dB'
'TXXX:replaygain_track_peak'                        '0.030722'
'TXXX:tracknum'                                     '01'

========================== row from database ==========================
                                              'id'  1506097
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/garagetapes.blogspot.com/GT074/01 - The Things - I Don_t Believe It (196 US).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  152
                                           'genre'  rock-gr-garage;set-pl-garagetapes
                                        'filesize'  3730574
                                           'mtime'  1620383455
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm garagetapes.blogspot.com GT074 01 Don_t (196 US) rock gr garage;set pl garagetapes
                                      'tag_artist'  The Things
                                     'tag_release'  Tape No074 - I Talk To The Sun
                                       'tag_title'  I Don't Believe It
                                             'bpm'  98.4
                                    'search_title'  'believe':5 'don':2 'dont':4 'i':1 'it':6 't':3
                                   'search_artist'  'the':1 'things':2
                                  'search_release'  'i':3 'no074':2 'sun':7 'talk':4 'tape':1 'the':6 'to':5
                                     'search_rest'  '196':8,9 'blogspot':2 'com':3 'don':6 'garage':14,16 'garagetapes':1,19 'garagetapesblogspotcom':4 'gr':13 'gt074':5 'pl':18 'rock':12 'set':15,17 't':7 'us':10,11
                                    'search_combo'  '196':23,24 'believe':5A 'blogspot':17 'com':18 'don':2A,21 'dont':4A 'garage':29,31 'garagetapes':16,34 'garagetapesblogspotcom':19 'gr':28 'gt074':20 'i':1A,11C 'it':6A 'no074':10C 'pl':33 'rock':27 'set':30,32 'sun':15C 't':3A,22 'talk':12C 'tape':9C 'the':7B,14C 'things':8B 'to':13C 'us':25,26
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-2', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['garage punk', 'rock', 'lesser known yet streamable artists', 'paisley underground', 'drive punk']
                                        'tag_date'  1965
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620383454.858782  (2021-05-07 12:30:54)
                             'size'  3730574