======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '237'
                                          'artist'  'We All Together'
                                     'text_people'  ''
                                         'release'  "Tape No111 - Let's Live For Today"
                                           'title'  "It's A Sin To Go Away"
                                           '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-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['progressive rock', 'psychedelic rock', 'peru', 'psychedelic', 'rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '16'
                                      'tracktotal'  ''
                                            'date'  '1970'
                                        'comments'  ''
                                           'genre'  'rock-gr-garage;set-pl-garagetapes'
                                             'bpm'  '143.1'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'COMM::XXX'                                         'http://garagetapes.blogspot.com/'
'TALB' (Album/Movie/Show title)                     "Tape No111 - Let's Live For Today"
'TBPM' (BPM (beats per minute))                     '143.1'
'TCON' (Content type, a.k.a. Genre)                 ['rock-gr-garage', 'set-pl-garagetapes']
'TDRC' (Recording time)                             '1970'
'TIT2' (Title/songname/content description)         "It's A Sin To Go Away"
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'We All Together'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '16'
'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'                                      'PE'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['progressive rock', 'psychedelic rock', 'peru', 'psychedelic', 'rock']
'TXXX:q-bass'                                       '3'
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.34 dB'
'TXXX:replaygain_track_peak'                        '0.425424'
'TXXX:tracknum'                                     '16'

========================== row from database ==========================
                                              'id'  1506904
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/garagetapes.blogspot.com/GT111/16 - We All Together - It_s A Sin To Go Away (1970 PE).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  237
                                           'genre'  rock-gr-garage;set-pl-garagetapes
                                        'filesize'  5699605
                                           'mtime'  1620384354
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm garagetapes.blogspot.com GT111 16 It_s (1970 PE) rock gr garage;set pl garagetapes
                                      'tag_artist'  We All Together
                                     'tag_release'  Tape No111 - Let's Live For Today
                                       'tag_title'  It's A Sin To Go Away
                                             'bpm'  143.1
                                    'search_title'  'a':4 'away':8 'go':7 'it':1 'its':3 's':2 'sin':5 'to':6
                                   'search_artist'  'all':2 'together':3 'we':1
                                  'search_release'  'for':7 'let':3 'lets':5 'live':6 'no111':2 's':4 'tape':1 'today':8
                                     'search_rest'  '1970':8,9 'blogspot':2 'com':3 'garage':14,16 'garagetapes':1,19 'garagetapesblogspotcom':4 'gr':13 'gt111':5 'it':6 'pe':10,11 'pl':18 'rock':12 's':7 'set':15,17
                                    'search_combo'  '1970':27,28 'a':4A 'all':10B 'away':8A 'blogspot':21 'com':22 'for':18C 'garage':33,35 'garagetapes':20,38 'garagetapesblogspotcom':23 'go':7A 'gr':32 'gt111':24 'it':1A,25 'its':3A 'let':14C 'lets':16C 'live':17C 'no111':13C 'pe':29,30 'pl':37 'rock':31 's':2A,15C,26 'set':34,36 'sin':5A 'tape':12C 'to':6A 'today':19C 'together':11B 'we':9B
                                    'tag_tracknum'  16
                                      'num_images'  0
                                             'key'  9A
                                           '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-3', 'q-syn-2', 'q-chart-1', 'q-other-3', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['progressive rock', 'psychedelic rock', 'peru', 'psychedelic', 'rock']
                                        'tag_date'  1970
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620384354.213079  (2021-05-07 12:45:54)
                             'size'  5699605