======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '171'
                                          'artist'  'Alfa-Gungadin'
                                     'text_people'  ''
                                         'release'  'Tape No110 - Purple Haze (Covering Jimi Hendrix - Part I)'
                                           'title'  'Purple Haze'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HAP-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '17'
                                      'tracktotal'  ''
                                            'date'  '1968'
                                        'comments'  ''
                                           'genre'  'rock-gr-garage;set-pl-garagetapes'
                                             'bpm'  '122.5'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'COMM::XXX'                                         'http://garagetapes.blogspot.com/'
'TALB' (Album/Movie/Show title)                     'Tape No110 - Purple Haze (Covering Jimi Hendrix - Part I)'
'TBPM' (BPM (beats per minute))                     '122.5'
'TCON' (Content type, a.k.a. Genre)                 ['rock-gr-garage', 'set-pl-garagetapes']
'TDRC' (Recording time)                             '1968'
'TIT2' (Title/songname/content description)         'Purple Haze'
'TKEY' (Initial key)                                '4A'
'TPE1' (Lead performer(s)/Soloist(s))               'Alfa-Gungadin'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '17'
'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'                                      'MX'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'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'                                     '1'
'TXXX:replaygain_track_gain'                        '+10.35 dB'
'TXXX:replaygain_track_peak'                        '0.080641'
'TXXX:tracknum'                                     '17'

========================== row from database ==========================
                                              'id'  503576
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/garagetapes.blogspot.com/GT110/17 - Alfa-Gungadin - Purple Haze (1968 MX).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  171
                                           'genre'  rock-gr-garage;set-pl-garagetapes
                                        'filesize'  4123467
                                           'mtime'  1620384330
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm garagetapes.blogspot.com GT110 17 (1968 MX) rock gr garage;set garagetapes
                                      'tag_artist'  Alfa-Gungadin
                                     'tag_release'  Tape No110 - Purple Haze (Covering Jimi Hendrix - Part I)
                                       'tag_title'  Purple Haze
                                             'bpm'  122.5
                                    'search_title'  'haze':2 'purple':1
                                   'search_artist'  'alfa':1 'alfagungadin':3 'gungadin':2
                                  'search_release'  'covering':5,6 'haze':4 'hendrix':8 'i':10,11 'jimi':7 'no110':2 'part':9 'purple':3 'tape':1
                                     'search_rest'  '1968':6,7 'blogspot':2 'com':3 'garage':12,14 'garagetapes':1,16 'garagetapesblogspotcom':4 'gr':11 'gt110':5 'mx':8,9 'rock':10 'set':13,15
                                    'search_combo'  '1968':22,23 'alfa':3B 'alfagungadin':5B 'blogspot':18 'com':19 'covering':10C,11C 'garage':28,30 'garagetapes':17,32 'garagetapesblogspotcom':20 'gr':27 'gt110':21 'gungadin':4B 'haze':2A,9C 'hendrix':13C 'i':15C,16C 'jimi':12C 'mx':24,25 'no110':7C 'part':14C 'purple':1A,8C 'rock':26 'set':29,31 'tape':6C
                                    'tag_tracknum'  17
                                      'num_images'  0
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', '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-3', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1968
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620384330.4575715  (2021-05-07 12:45:30)
                             'size'  4123467