======================== unified (from filesystem) ========================
                                         'bitrate'  '173.492'
                                        'duration'  '228'
                                          'artist'  'The Barbecues'
                                     'text_people'  ''
                                         'release'  'Ghana Special: Modern Highlife, Afro Sounds, Ghanaian Blues 1968 - 1981'
                                           'title'  'Aaya Lolo'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-OLDST-1', 'Q-JZFKS-3', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-3', 'q-syn-1', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['afrobeat', 'all', 'african', 'ghana', 'world']"
                                     'discogstags'  "['funk / soul', 'folk, world, & country', 'afrobeat', 'psychedelic', 'funk']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  ''
                                            'date'  '2009'
                                        'comments'  ''
                                           'genre'  'loc-africa-ghana'
                                             'bpm'  '145.895'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Ghana Special: Modern Highlife, Afro Sounds, Ghanaian Blues 1968 - 1981'
'TBPM' (BPM (beats per minute))                     '145.895'
'TCON' (Content type, a.k.a. Genre)                 'loc-africa-ghana'
'TDRC' (Recording time)                             '2009'
'TIT2' (Title/songname/content description)         'Aaya Lolo'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Barbecues'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/2'
'TRCK' (Track number/Position in set)               '4'
'TSSE' (Software/Hardware and settings used for encoding)  'LAME 32bits version 3.98.2 (http://www.mp3dev.org/)'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  ['funk / soul', 'folk, world, & country', 'afrobeat', 'psychedelic', 'funk']
'TXXX:lastfmtags'                                   ['afrobeat', 'all', 'african', 'ghana', 'world']
'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'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '-0.51 dB'
'TXXX:replaygain_track_peak'                        '0.422472'

========================== row from database ==========================
                                              'id'  1397924
                                            'path'  /data/Music/Bulk/00localcharacter/00africa/The Wellis Band - Ghana Special Modern Highlife, Afro Sounds, Ghanaian Blues 1968 - 1981/Disc 1/04 - Aaya Lolo.mp3
                                         'working'  None
                                         'bitrate'  173
                                    'duration_sec'  228
                                           'genre'  loc-africa-ghana
                                        'filesize'  4954612
                                           'mtime'  1620526518
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00africa Wellis Band Disc 04 loc africa ghana
                                      'tag_artist'  The Barbecues
                                     'tag_release'  Ghana Special: Modern Highlife, Afro Sounds, Ghanaian Blues 1968 - 1981
                                       'tag_title'  Aaya Lolo
                                             'bpm'  145.895
                                    'search_title'  'aaya':1 'lolo':2
                                   'search_artist'  'barbecues':2 'the':1
                                  'search_release'  '1968':12 '1981':13 'afro':7 'blues':11 'ghana':1 'ghanaian':10 'highlife':5,6 'modern':4 'sounds':8,9 'special':2,3
                                     'search_rest'  '00africa':1 'africa':6 'band':3 'disc':4 'ghana':7 'loc':5 'wellis':2
                                    'search_combo'  '00africa':18 '1968':16C '1981':17C 'aaya':1A 'africa':23 'afro':11C 'band':20 'barbecues':4B 'blues':15C 'disc':21 'ghana':5C,24 'ghanaian':14C 'highlife':9C,10C 'loc':22 'lolo':2A 'modern':8C 'sounds':12C,13C 'special':6C,7C 'the':3B 'wellis':19
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-2', 'Q-JZFKS-3', 'q-busy-3', 'q-drums-3', 'q-syn-1', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['afrobeat', 'all', 'african', 'ghana', 'world']
                                        'tag_date'  2009
                                     'discogstags'  ['funk / soul', 'folk, world, & country', 'afrobeat', 'psychedelic', 'funk']

============================== file details ==============================
                                           'mtime'  1620526518.3898785  (2021-05-09 04:15:18)
                             'size'  4954612