======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '209'
                                          'artist'  'Thievery Corporation'
                                     'text_people'  ''
                                         'release'  'The Richest Man In Babylon'
                                           'title'  'Meu Destino (My Destiny)'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['lounge', 'electronic', 'downtempo', 'trip hop', 'chillout']"
                                     'discogstags'  "['electronic', 'dub', 'future jazz', 'downtempo', 'latin']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  ''
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'electronic-trip hop or downtempo or acid jazz'
                                             'bpm'  '91.144'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'The Richest Man In Babylon'
'TBPM' (BPM (beats per minute))                     '91.144'
'TCON' (Content type, a.k.a. Genre)                 'electronic-trip hop or downtempo or acid jazz'
'TDRC' (Recording time)                             '2002'
'TIT2' (Title/songname/content description)         'Meu Destino (My Destiny)'
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               'Thievery Corporation'
'TRCK' (Track number/Position in set)               '8'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['electronic', 'dub', 'future jazz', 'downtempo', 'latin']
'TXXX:lastfmtags'                                   ['lounge', 'electronic', 'downtempo', 'trip hop', 'chillout']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.93 dB'
'TXXX:replaygain_track_peak'                        '0.596053'

========================== row from database ==========================
                                              'id'  1337856
                                            'path'  /data/Music/Bulk/00poprockelectronic/00trip/Thievery Corporation/MBZ;#Thievery Corporation;#The Richest Man in Babylon;#08;#Meu Destino (My Destiny).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  209
                                           'genre'  electronic-trip hop or downtempo or acid jazz
                                        'filesize'  5040484
                                           'mtime'  1636910993
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00trip MBZ;#Thievery Corporation;#The Babylon;#08;#Meu electronic trip hop downtempo acid jazz
                                      'tag_artist'  Thievery Corporation
                                     'tag_release'  The Richest Man In Babylon
                                       'tag_title'  Meu Destino (My Destiny)
                                             'bpm'  91.144
                                    'search_title'  'destino':2 'destiny':5,6 'meu':1 'my':3,4
                                   'search_artist'  'corporation':2 'thievery':1
                                  'search_release'  'babylon':5 'in':4 'man':3 'richest':2 'the':1
                                     'search_rest'  '00poprockelectronic':1 '00trip':2 '08':12,15 'acid':21 'babylon':11,14 'corporation':7,9 'downtempo':20 'electronic':17 'hop':19 'jazz':22 'mbz':3,5 'meu':13,16 'the':8,10 'thievery':4,6 'trip':18
                                    'search_combo'  '00poprockelectronic':14 '00trip':15 '08':25,28 'acid':34 'babylon':13C,24,27 'corporation':8B,20,22 'destino':2A 'destiny':5A,6A 'downtempo':33 'electronic':30 'hop':32 'in':12C 'jazz':35 'man':11C 'mbz':16,18 'meu':1A,26,29 'my':3A,4A 'richest':10C 'the':9C,21,23 'thievery':7B,17,19 'trip':31
                                    'tag_tracknum'  8
                                      'num_images'  0
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-4', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['lounge', 'electronic', 'downtempo', 'trip hop', 'chillout']
                                        'tag_date'  2002
                                     'discogstags'  ['electronic', 'dub', 'future jazz', 'downtempo', 'latin']

============================== file details ==============================
                                           'mtime'  1636910992.6909647  (2021-11-14 18:29:52)
                             'size'  5040484