======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '351'
                                          'artist'  'Easy Star All-Stars'
                                     'text_people'  'Lennon-McCartney'
                                         'release'  "Easy Star's Lonely Hearts Dub Band"
                                           'title'  'A Day in the Life (featuring Michael Rose and Menny More)'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-3', 'Q-UNU-2', 'Q-OLDST-2', 'Q-HHRNBTT-2', "
 "'Q-LOCALNESS-3', 'q-syn-2', 'q-bass-4', 'q-busy-2', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['reggae', 'dub', 'cover', 'covers', 'dub funk', 'electronic']"
                                     'discogstags'  "['reggae']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '13'
                                      'tracktotal'  'RA'
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'loc-style-reggae or dub or ska or dancehall-unsorted'
                                             'bpm'  '140.8'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         'rocknrollaz.blogspot.com'
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'TALB' (Album/Movie/Show title)                     "Easy Star's Lonely Hearts Dub Band"
'TBPM' (BPM (beats per minute))                     '140.8'
'TCOM' (Composer)                                   'Lennon-McCartney'
'TCON' (Content type, a.k.a. Genre)                 'loc-style-reggae or dub or ska or dancehall-unsorted'
'TDRC' (Recording time)                             '2008'
'TIT2' (Title/songname/content description)         'A Day in the Life (featuring Michael Rose and Menny More)'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Easy Star All-Stars'
'TPE2' (Band/orchestra/accompaniment)               'Easy Star All-Stars'
'TPOS' (Part of a set)                              '1'
'TPUB' (Publisher)                                  'Easy Star Records'
'TRCK' (Track number/Position in set)               '13'
'TSRC' (ISRC (international standard recording code))  'US4CL0910013'
'TXXX:COMPILATION'                                  'O'
'TXXX:DISCTOTAL'                                    'I'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:TRACKTOTAL'                                   'RA'
'TXXX:discogstags'                                  'reggae'
'TXXX:lastfmtags'                                   ['reggae', 'dub', 'cover', 'covers', 'dub funk', 'electronic']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.44 dB'
'TXXX:replaygain_track_peak'                        '0.424864'

========================== row from database ==========================
                                              'id'  1313088
                                            'path'  /data/Music/Bulk/00localcharacter/Reggae/13 - Easy Star All-Stars Feat. Michael Rose & Menny More - A Day In The Life.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  351
                                           'genre'  loc-style-reggae or dub or ska or dancehall-unsorted
                                        'filesize'  14074022
                                           'mtime'  1620523571
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter Reggae 13 Feat. & In The loc style reggae dub ska dancehall unsorted
                                      'tag_artist'  Easy Star All-Stars
                                     'tag_release'  Easy Star's Lonely Hearts Dub Band
                                       'tag_title'  A Day in the Life (featuring Michael Rose and Menny More)
                                             'bpm'  140.8
                                    'search_title'  'a':1 'and':10 'day':2 'featuring':6,7 'in':3 'life':5 'menny':11 'michael':8 'more':12,13 'rose':9 'the':4
                                   'search_artist'  'all':3 'allstars':5 'easy':1 'star':2 'stars':4
                                  'search_release'  'band':8 'dub':7 'easy':1 'hearts':6 'lonely':5 's':3 'star':2 'stars':4
                                     'search_rest'  'dancehall':10 'dub':8 'feat':2,3 'in':4 'loc':6 'reggae':1 'ska':9 'style':7 'the':5 'unsorted':11
                                    'search_combo'  'a':1A 'all':16B 'allstars':18B 'and':10A 'band':26C 'dancehall':36 'day':2A 'dub':25C,34 'easy':14B,19C 'feat':28,29 'featuring':6A,7A 'hearts':24C 'in':3A,30 'life':5A 'loc':32 'lonely':23C 'menny':11A 'michael':8A 'more':12A,13A 'reggae':27 'rose':9A 's':21C 'ska':35 'star':15B,20C 'stars':17B,22C 'style':33 'the':4A,31 'unsorted':37
                                    'tag_tracknum'  13
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-3', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-3', 'q-busy-2', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['reggae', 'dub', 'cover', 'covers', 'dub funk', 'electronic']
                                        'tag_date'  2008
                                     'discogstags'  ['reggae']

============================== file details ==============================
                                           'mtime'  1620523570.6902158  (2021-05-09 03:26:10)
                             'size'  14074022