======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '146'
                                          'artist'  'The Triffits'
                                     'text_people'  ''
                                         'release'  "Tape No104 - I'm Gonna Tell You (Moody Tunes - Part II)"
                                           'title'  'Stay'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HAP-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['chuck berry cover']"
                                     'discogstags'  "['beat', 'garage rock', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '14'
                                      'tracktotal'  ''
                                            'date'  '1966'
                                        'comments'  ''
                                           'genre'  'rock-gr-garage;set-pl-garagetapes'
                                             'bpm'  '109.3'
                                             'key'  '11A'
                                        'acoustid'  ''
rest: ''

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

'COMM::XXX'                                         'http://garagetapes.blogspot.com/'
'TALB' (Album/Movie/Show title)                     "Tape No104 - I'm Gonna Tell You (Moody Tunes - Part II)"
'TBPM' (BPM (beats per minute))                     '109.3'
'TCON' (Content type, a.k.a. Genre)                 ['rock-gr-garage', 'set-pl-garagetapes']
'TDRC' (Recording time)                             '1966'
'TIT2' (Title/songname/content description)         'Stay'
'TKEY' (Initial key)                                '11A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Triffits'
'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'                                      'NL'
'TXXX:discogstags'                                  ['beat', 'garage rock', 'rock']
'TXXX:lastfmtags'                                   'chuck berry cover'
'TXXX:q-bass'                                       '4'
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '+24.40 dB'
'TXXX:replaygain_track_peak'                        '0.035957'
'TXXX:tracknum'                                     '14'

========================== row from database ==========================
                                              'id'  505422
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/garagetapes.blogspot.com/GT104/14 - The Triffits - Stay (1966 NL).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  146
                                           'genre'  rock-gr-garage;set-pl-garagetapes
                                        'filesize'  3514172
                                           'mtime'  1620384210
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm garagetapes.blogspot.com GT104 14 (1966 NL) rock gr garage;set pl garagetapes
                                      'tag_artist'  The Triffits
                                     'tag_release'  Tape No104 - I'm Gonna Tell You (Moody Tunes - Part II)
                                       'tag_title'  Stay
                                             'bpm'  109.3
                                    'search_title'  'stay':1
                                   'search_artist'  'the':1 'triffits':2
                                  'search_release'  'gonna':6 'i':3 'ii':13,14 'im':5 'm':4 'moody':9,10 'no104':2 'part':12 'tape':1 'tell':7 'tunes':11 'you':8
                                     'search_rest'  '1966':6,7 'blogspot':2 'com':3 'garage':12,14 'garagetapes':1,17 'garagetapesblogspotcom':4 'gr':11 'gt104':5 'nl':8,9 'pl':16 'rock':10 'set':13,15
                                    'search_combo'  '1966':23,24 'blogspot':19 'com':20 'garage':29,31 'garagetapes':18,34 'garagetapesblogspotcom':21 'gonna':9C 'gr':28 'gt104':22 'i':6C 'ii':16C,17C 'im':8C 'm':7C 'moody':12C,13C 'nl':25,26 'no104':5C 'part':15C 'pl':33 'rock':27 'set':30,32 'stay':1A 'tape':4C 'tell':10C 'the':2B 'triffits':3B 'tunes':14C 'you':11C
                                    'tag_tracknum'  14
                                      'num_images'  0
                                             'key'  11A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-4', 'q-grit-2']
                                      'lastfmtags'  ['chuck berry cover']
                                        'tag_date'  1966
                                     'discogstags'  ['beat', 'garage rock', 'rock']

============================== file details ==============================
                                           'mtime'  1620384209.5475485  (2021-05-07 12:43:29)
                             'size'  3514172