======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '162'
                                          'artist'  'Teddy Robin & Playboys'
                                     'text_people'  ''
                                         'release'  "Tape No089 - (I'm Not Your) Stepping Stone"
                                           'title'  "I'm Not Your Steppin' Stone"
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HAP-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', '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']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '14'
                                      'tracktotal'  ''
                                            'date'  '1965'
                                        'comments'  ''
                                           'genre'  'rock-gr-garage;set-pl-garagetapes;set-cover or covered'
                                             'bpm'  '128.7'
                                             'key'  '9A'
                                        '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 No089 - (I'm Not Your) Stepping Stone"
'TBPM' (BPM (beats per minute))                     '128.7'
'TCON' (Content type, a.k.a. Genre)                 ['rock-gr-garage', 'set-pl-garagetapes', 'set-cover or covered']
'TDRC' (Recording time)                             '1965'
'TIT2' (Title/songname/content description)         "I'm Not Your Steppin' Stone"
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Teddy Robin & Playboys'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '14'
'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'                                      'HK'
'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'                        '+19.18 dB'
'TXXX:replaygain_track_peak'                        '0.071824'
'TXXX:tracknum'                                     '14'

========================== row from database ==========================
                                              'id'  1508009
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/garagetapes.blogspot.com/GT089/14 - Teddy Robin & Playboys - I_m Not Your Steppin_ Stone (196 HK).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  162
                                           'genre'  rock-gr-garage;set-pl-garagetapes;set-cover or covered
                                        'filesize'  3976300
                                           'mtime'  1620383816
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm garagetapes.blogspot.com GT089 14 I_m Steppin_ (196 HK) rock gr garage;set pl garagetapes;set cover or covered
                                      'tag_artist'  Teddy Robin & Playboys
                                     'tag_release'  Tape No089 - (I'm Not Your) Stepping Stone
                                       'tag_title'  I'm Not Your Steppin' Stone
                                             'bpm'  128.7
                                    'search_title'  'i':1 'im':3 'm':2 'not':4 'steppin':6,7 'stone':8 'your':5
                                   'search_artist'  'playboys':3 'robin':2 'teddy':1
                                  'search_release'  'i':3 'im':5 'm':4 'no089':2 'not':6 'stepping':9 'stone':10 'tape':1 'your':7,8
                                     'search_rest'  '196':9,10 'blogspot':2 'com':3 'cover':24 'covered':26 'garage':15,17 'garagetapes':1,20,22 'garagetapesblogspotcom':4 'gr':14 'gt089':5 'hk':11,12 'i':6 'm':7 'or':25 'pl':19 'rock':13 'set':16,18,21,23 'steppin':8
                                    'search_combo'  '196':30,31 'blogspot':23 'com':24 'cover':45 'covered':47 'garage':36,38 'garagetapes':22,41,43 'garagetapesblogspotcom':25 'gr':35 'gt089':26 'hk':32,33 'i':1A,14C,27 'im':3A,16C 'm':2A,15C,28 'no089':13C 'not':4A,17C 'or':46 'pl':40 'playboys':11B 'robin':10B 'rock':34 'set':37,39,42,44 'steppin':6A,7A,29 'stepping':20C 'stone':8A,21C 'tape':12C 'teddy':9B 'your':5A,18C,19C
                                    'tag_tracknum'  14
                                      '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-3', 'q-syn-2', 'q-chart-1', 'q-other-3', 'Q-HAP-2', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1965
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620383816.4138823  (2021-05-07 12:36:56)
                             'size'  3976300