======================== unified (from filesystem) ========================
                                         'bitrate'  '201.898'
                                        'duration'  '258'
                                          'artist'  'Seeed'
                                     'text_people'  ''
                                         'release'  'Next!'
                                           'title'  'Slowlife'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-3', 'Q-UNU-2', 'Q-HHRNBTT-2', 'Q-OLDST-3', "
 "'Q-LOCALNESS-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['german', 'reggae', 'berlin', 'dancehall', 'german reggae']"
                                     'discogstags'  "['electronic', 'reggae', 'dancehall']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  ''
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  ('loc-style-reggae or dub or ska or '
 'dancehall-dancehall;loc-eur-germany;set-pl-sced')
                                             'bpm'  '129.979'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Next!'
'TBPM' (BPM (beats per minute))                     '129.979'
'TCON' (Content type, a.k.a. Genre)                 ['loc-style-reggae or dub or ska or dancehall-dancehall',
 'loc-eur-germany',
 'set-pl-sced']
'TDRC' (Recording time)                             '2005'
'TENC' (Encoded by)                                 'Lame'
'TIT2' (Title/songname/content description)         'Slowlife'
'TKEY' (Initial key)                                '7A'
'TLAN' (Language(s))                                'English'
'TPE1' (Lead performer(s)/Soloist(s))               'Seeed'
'TPE2' (Band/orchestra/accompaniment)               'Seeed'
'TRCK' (Track number/Position in set)               '10'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  ['electronic', 'reggae', 'dancehall']
'TXXX:lastfmtags'                                   ['german', 'reggae', 'berlin', 'dancehall', 'german reggae']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.58 dB'
'TXXX:replaygain_track_peak'                        '0.525697'

========================== row from database ==========================
                                              'id'  1388243
                                            'path'  /data/Music/Bulk/00localcharacter/00reggae-dub/Seeed/[2005] Next!/10 Slowlife.mp3
                                         'working'  None
                                         'bitrate'  201
                                    'duration_sec'  258
                                           'genre'  loc-style-reggae or dub or ska or dancehall-dancehall;loc-eur-germany;set-pl-sced
                                        'filesize'  6577346
                                           'mtime'  1620522233
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00reggae dub [2005] 10 loc style reggae or dub or ska or dancehall dancehall;loc eur germany;set pl sced
                                      'tag_artist'  Seeed
                                     'tag_release'  Next!
                                       'tag_title'  Slowlife
                                             'bpm'  129.979
                                    'search_title'  'slowlife':1
                                   'search_artist'  'seeed':1
                                  'search_release'  'next':1
                                     'search_rest'  '00reggae':1 '2005':3,4 'dancehall':10,11,13 'dub':2 'eur':15 'germany':16,18 'loc':5,12,14 'or':8 'pl':20 'reggae':7 'sced':21 'set':17,19 'ska':9 'style':6
                                    'search_combo'  '00reggae':4 '2005':6,7 'dancehall':13,14,16 'dub':5 'eur':18 'germany':19,21 'loc':8,15,17 'next':3C 'or':11 'pl':23 'reggae':10 'sced':24 'seeed':2B 'set':20,22 'ska':12 'slowlife':1A 'style':9
                                    'tag_tracknum'  10
                                      'num_images'  1
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-3', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-3', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['german', 'reggae', 'berlin', 'dancehall', 'german reggae']
                                        'tag_date'  2005
                                     'discogstags'  ['electronic', 'reggae', 'dancehall']

============================== file details ==============================
                                           'mtime'  1620522233.1053498  (2021-05-09 03:03:53)
                             'size'  6577346