======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '134'
                                          'artist'  'Birmingham Sunday'
                                     'text_people'  ''
                                         'release'  'Tape No124 - Real Girls In The Garage Land (Part XXXIV)'
                                           'title'  'Peter Pan Revisted'
                                           '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-2', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['60s', 'psychedelic pop', 'psychedelic', 'american', '1960s']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '01'
                                      'tracktotal'  ''
                                            'date'  '1968'
                                        'comments'  ''
                                           'genre'  'rock-gr-garage;set-pl-garagetapes'
                                             'bpm'  '139.9'
                                             'key'  '9A'
                                        '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 No124 - Real Girls In The Garage Land (Part XXXIV)'
'TBPM' (BPM (beats per minute))                     '139.9'
'TCON' (Content type, a.k.a. Genre)                 ['rock-gr-garage', 'set-pl-garagetapes']
'TDRC' (Recording time)                             '1968'
'TIT2' (Title/songname/content description)         'Peter Pan Revisted'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Birmingham Sunday'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '01'
'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'                                      'US'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['60s', 'psychedelic pop', 'psychedelic', 'american', '1960s']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'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'                        '+23.33 dB'
'TXXX:replaygain_track_peak'                        '0.027890'
'TXXX:tracknum'                                     '01'

========================== row from database ==========================
                                              'id'  501747
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/garagetapes.blogspot.com/GT124/01 - Birmingham Sunday - Peter Pan Revisted (1968 US).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  134
                                           'genre'  rock-gr-garage;set-pl-garagetapes
                                        'filesize'  3332904
                                           'mtime'  1620384541
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm garagetapes.blogspot.com GT124 01 (1968 US) rock gr garage;set pl garagetapes
                                      'tag_artist'  Birmingham Sunday
                                     'tag_release'  Tape No124 - Real Girls In The Garage Land (Part XXXIV)
                                       'tag_title'  Peter Pan Revisted
                                             'bpm'  139.9
                                    'search_title'  'pan':2 'peter':1 'revisted':3
                                   'search_artist'  'birmingham':1 'sunday':2
                                  'search_release'  'garage':7 'girls':4 'in':5 'land':8 'no124':2 'part':9,10 'real':3 'tape':1 'the':6 'xxxiv':11,12
                                     'search_rest'  '1968':6,7 'blogspot':2 'com':3 'garage':12,14 'garagetapes':1,17 'garagetapesblogspotcom':4 'gr':11 'gt124':5 'pl':16 'rock':10 'set':13,15 'us':8,9
                                    'search_combo'  '1968':23,24 'birmingham':4B 'blogspot':19 'com':20 'garage':12C,29,31 'garagetapes':18,34 'garagetapesblogspotcom':21 'girls':9C 'gr':28 'gt124':22 'in':10C 'land':13C 'no124':7C 'pan':2A 'part':14C,15C 'peter':1A 'pl':33 'real':8C 'revisted':3A 'rock':27 'set':30,32 'sunday':5B 'tape':6C 'the':11C 'us':25,26 'xxxiv':16C,17C
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  9A
                                           '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-2', 'q-syn-2', 'q-chart-1', 'q-other-3', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['60s', 'psychedelic pop', 'psychedelic', 'american', '1960s']
                                        'tag_date'  1968
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620384541.0452342  (2021-05-07 12:49:01)
                             'size'  3332904