======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '179'
                                          'artist'  ''
                                     'text_people'  ''
                                         'release'  'Marvellous Boy (Calypso From West Africa)'
                                           'title'  'Poor Freetown Boy'
                                           'quals'  ("['Q-HAP-3', 'Q-OLDST-2', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-JZFKS-2', "
 "'Q-LOCALNESS-3', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '2009'
                                        'comments'  ''
                                           'genre'  'loc-africa;loc-style-calypso'
                                             'bpm'  '138.417'
                                             'key'  '1B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Marvellous Boy (Calypso From West Africa)'
'TBPM' (BPM (beats per minute))                     '138.417'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 ['loc-africa', 'loc-style-calypso']
'TDRC' (Recording time)                             '2009'
'TIT2' (Title/songname/content description)         'Poor Freetown Boy'
'TKEY' (Initial key)                                '1B'
'TLAN' (Language(s))                                'French'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '1'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.72 dB'
'TXXX:replaygain_track_peak'                        '0.593544'

========================== row from database ==========================
                                              'id'  1524612
                                            'path'  /data/Music/Bulk/00localcharacter/00africa/[AFRICA] MARVELLOUS BOY - CALYPSO FROM WEST AFRICA [HONEST JON_S] (2009)/01 poor freetown boy.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  179
                                           'genre'  loc-africa;loc-style-calypso
                                        'filesize'  7235410
                                           'mtime'  1620525009
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00africa [AFRICA] MARVELLOUS BOY CALYPSO FROM WEST AFRICA [HONEST JON_S] (2009) 01 poor freetown boy loc africa;loc style calypso
                                      'tag_artist'  None
                                     'tag_release'  Marvellous Boy (Calypso From West Africa)
                                       'tag_title'  Poor Freetown Boy
                                             'bpm'  138.417
                                    'search_title'  'boy':3 'freetown':2 'poor':1
                                   'search_artist'  None
                                  'search_release'  'africa':7,8 'boy':2 'calypso':3,4 'from':5 'marvellous':1 'west':6
                                     'search_rest'  '00africa':1 '2009':15,16 'africa':2,3,20,22 'boy':5 'calypso':6 'freetown':18 'from':7 'honest':9,10 'jon':11,13 'loc':19,21,23 'marvellous':4 'poor':17 's':12,14 'style':24 'west':8
                                    'search_combo'  '00africa':12 '2009':26,27 'africa':10C,11C,13,14,31,33 'boy':3A,5C,16 'calypso':6C,7C,17 'freetown':2A,29 'from':8C,18 'honest':20,21 'jon':22,24 'loc':30,32,34 'marvellous':4C,15 'poor':1A,28 's':23,25 'style':35 'west':9C,19
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  1B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  2009
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620525009.4881072  (2021-05-09 03:50:09)
                             'size'  7235410