======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '141'
                                          'artist'  'The E-Types'
                                     'text_people'  ''
                                         'release'  "Tape No063 - I'll Come To You"
                                           '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-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['garage rock', 'psychedelic rock', 'psychedelic', '60s', 'rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  ''
                                            'date'  '1966'
                                        'comments'  ''
                                           'genre'  'rock-gr-garage;set-pl-garagetapes'
                                             'bpm'  '128.3'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     "Tape No063 - I'll Come To You"
'TBPM' (BPM (beats per minute))                     '128.3'
'TCON' (Content type, a.k.a. Genre)                 ['rock-gr-garage', 'set-pl-garagetapes']
'TDRC' (Recording time)                             '1966'
'TIT2' (Title/songname/content description)         'Just A Little'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'The E-Types'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '10'
'TXXX:COUNTRY'                                      'US'
'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'                                   ['garage rock', 'psychedelic rock', 'psychedelic', '60s', 'rock']
'TXXX:q-bass'                                       '4'
'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'                                     '2'
'TXXX:replaygain_track_gain'                        '+22.63 dB'
'TXXX:replaygain_track_peak'                        '0.040270'
'TXXX:tracknum'                                     '10'

========================== row from database ==========================
                                              'id'  499648
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/garagetapes.blogspot.com/GT063/10 - The E-Types - Just A Little (1966 US).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  141
                                           'genre'  rock-gr-garage;set-pl-garagetapes
                                        'filesize'  3397457
                                           'mtime'  1620383298
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm garagetapes.blogspot.com GT063 10 (1966 US) rock gr garage;set pl garagetapes
                                      'tag_artist'  The E-Types
                                     'tag_release'  Tape No063 - I'll Come To You
                                       'tag_title'  Just A Little
                                             'bpm'  128.3
                                    'search_title'  'a':2 'just':1 'little':3
                                   'search_artist'  'e':2 'etypes':4 'the':1 'types':3
                                  'search_release'  'come':6 'i':3 'ill':5 'll':4 'no063':2 'tape':1 'to':7 'you':8
                                     'search_rest'  '1966':6,7 'blogspot':2 'com':3 'garage':12,14 'garagetapes':1,17 'garagetapesblogspotcom':4 'gr':11 'gt063':5 'pl':16 'rock':10 'set':13,15 'us':8,9
                                    'search_combo'  '1966':21,22 'a':2A 'blogspot':17 'com':18 'come':13C 'e':5B 'etypes':7B 'garage':27,29 'garagetapes':16,32 'garagetapesblogspotcom':19 'gr':26 'gt063':20 'i':10C 'ill':12C 'just':1A 'little':3A 'll':11C 'no063':9C 'pl':31 'rock':25 'set':28,30 'tape':8C 'the':4B 'to':14C 'types':6B 'us':23,24 'you':15C
                                    'tag_tracknum'  10
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', '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-4', 'q-grit-2']
                                      'lastfmtags'  ['garage rock', 'psychedelic rock', 'psychedelic', '60s', 'rock']
                                        'tag_date'  1966
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620383298.3270802  (2021-05-07 12:28:18)
                             'size'  3397457