======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '152'
                                          'artist'  'The Clique'
                                     'text_people'  ''
                                         'release'  "Tape No128 - Don't Fall Down (Covering The Sounds Of The 13th Floor Elevators)"
                                           'title'  'Splash 1'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HAP-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['90s', 'garage', 'british', 'psychedelic', 'mod']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '04'
                                      'tracktotal'  ''
                                            'date'  '1967'
                                        'comments'  ''
                                           'genre'  'rock-gr-garage;set-pl-garagetapes'
                                             'bpm'  '131.6'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::eng'                                         'http://garagetapes.blogspot.gr/'
'TALB' (Album/Movie/Show title)                     "Tape No128 - Don't Fall Down (Covering The Sounds Of The 13th Floor Elevators)"
'TBPM' (BPM (beats per minute))                     '131.6'
'TCON' (Content type, a.k.a. Genre)                 ['rock-gr-garage', 'set-pl-garagetapes']
'TDRC' (Recording time)                             '1967'
'TIT2' (Title/songname/content description)         'Splash 1'
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Clique'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '04'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:country'                                      'US'
'TXXX:lastfmtags'                                   ['90s', 'garage', 'british', 'psychedelic', 'mod']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'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'                        '+24.03 dB'
'TXXX:replaygain_track_peak'                        '0.043172'
'TXXX:tracknum'                                     '04'

========================== row from database ==========================
                                              'id'  506384
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/garagetapes.blogspot.com/GT128/04 - The Clique - Splash 1 (1967 US).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  152
                                           'genre'  rock-gr-garage;set-pl-garagetapes
                                        'filesize'  3734968
                                           'mtime'  1620384583
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm garagetapes.blogspot.com GT128 04 (1967 US) rock gr garage;set garagetapes
                                      'tag_artist'  The Clique
                                     'tag_release'  Tape No128 - Don't Fall Down (Covering The Sounds Of The 13th Floor Elevators)
                                       'tag_title'  Splash 1
                                             'bpm'  131.6
                                    'search_title'  '1':2 'splash':1
                                   'search_artist'  'clique':2 'the':1
                                  'search_release'  '13th':13 'covering':8,9 'don':3 'dont':5 'down':7 'elevators':15,16 'fall':6 'floor':14 'no128':2 'of':12 'sounds':11 't':4 'tape':1 'the':10
                                     'search_rest'  '1967':6,7 'blogspot':2 'com':3 'garage':12,14 'garagetapes':1,16 'garagetapesblogspotcom':4 'gr':11 'gt128':5 'rock':10 'set':13,15 'us':8,9
                                    'search_combo'  '1':2A '13th':17C '1967':26,27 'blogspot':22 'clique':4B 'com':23 'covering':12C,13C 'don':7C 'dont':9C 'down':11C 'elevators':19C,20C 'fall':10C 'floor':18C 'garage':32,34 'garagetapes':21,36 'garagetapesblogspotcom':24 'gr':31 'gt128':25 'no128':6C 'of':16C 'rock':30 'set':33,35 'sounds':15C 'splash':1A 't':8C 'tape':5C 'the':3B,14C 'us':28,29
                                    'tag_tracknum'  4
                                      'num_images'  1
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-1', 'q-other-3', 'Q-HAP-2', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['90s', 'garage', 'british', 'psychedelic', 'mod']
                                        'tag_date'  1967
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620384582.950725  (2021-05-07 12:49:42)
                             'size'  3734968