======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '156'
                                          'artist'  'The Lotus'
                                     'text_people'  ''
                                         'release'  "Tape No068 - A Thousand Devils (Are Chasin' Me)"
                                           'title'  'Just A Little'
                                           '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-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['alternative', 'casket', 'copro records', 'lanciotti', 'extreme agency']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  ''
                                            'date'  '1967'
                                        'comments'  ''
                                           'genre'  'rock-gr-garage;set-pl-garagetapes'
                                             'bpm'  '112.8'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::eng'                                         'http://garagetapes.blogspot.com/'
'COMM:iTunNORM:eng'                                 'http://garagetapes.blogspot.com/'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 000007B0 000000000068F040 00000000 00000000 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'COMM:iTunes_CDDB_1:eng'                            'BB08B10E+167059+14+150+15099+29176+40400+51931+61819+75763+86100+97796+108623+119947+131425+141417+154334'
'COMM:iTunes_CDDB_TrackNumber:eng'                  '8'
'TALB' (Album/Movie/Show title)                     "Tape No068 - A Thousand Devils (Are Chasin' Me)"
'TBPM' (BPM (beats per minute))                     '112.8'
'TCON' (Content type, a.k.a. Genre)                 ['rock-gr-garage', 'set-pl-garagetapes']
'TDRC' (Recording time)                             '1967'
'TIT2' (Title/songname/content description)         'Just A Little'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Lotus'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '12'
'TXXX:COUNTRY'                                      'HK'
'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'                                  'rock'
'TXXX:lastfmtags'                                   ['alternative', 'casket', 'copro records', 'lanciotti', 'extreme agency']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'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'                        '+25.54 dB'
'TXXX:replaygain_track_peak'                        '0.030272'
'TXXX:tracknum'                                     '12'

========================== row from database ==========================
                                              'id'  1526545
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/garagetapes.blogspot.com/GT068 - A Thousand Devils (Are Chasin_ Me)/12 - The Lotus - Just A Little  (1967 HK).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  156
                                           'genre'  rock-gr-garage;set-pl-garagetapes
                                        'filesize'  3787926
                                           'mtime'  1620383352
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm garagetapes.blogspot.com GT068 Chasin_ 12 (1967 HK) rock gr garage;set pl garagetapes
                                      'tag_artist'  The Lotus
                                     'tag_release'  Tape No068 - A Thousand Devils (Are Chasin' Me)
                                       'tag_title'  Just A Little
                                             'bpm'  112.8
                                    'search_title'  'a':2 'just':1 'little':3
                                   'search_artist'  'lotus':2 'the':1
                                  'search_release'  'a':3 'are':6,7 'chasin':8,9 'devils':5 'me':10,11 'no068':2 'tape':1 'thousand':4
                                     'search_rest'  '1967':7,8 'blogspot':2 'chasin':6 'com':3 'garage':13,15 'garagetapes':1,18 'garagetapesblogspotcom':4 'gr':12 'gt068':5 'hk':9,10 'pl':17 'rock':11 'set':14,16
                                    'search_combo'  '1967':23,24 'a':2A,8C 'are':11C,12C 'blogspot':18 'chasin':13C,14C,22 'com':19 'devils':10C 'garage':29,31 'garagetapes':17,34 'garagetapesblogspotcom':20 'gr':28 'gt068':21 'hk':25,26 'just':1A 'little':3A 'lotus':5B 'me':15C,16C 'no068':7C 'pl':33 'rock':27 'set':30,32 'tape':6C 'the':4B 'thousand':9C
                                    'tag_tracknum'  12
                                      '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-1', 'q-syn-2', 'q-chart-1', 'q-other-3', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['alternative', 'casket', 'copro records', 'lanciotti', 'extreme agency']
                                        'tag_date'  1967
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620383352.1603293  (2021-05-07 12:29:12)
                             'size'  3787926