======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '258'
                                          'artist'  'Andy Bey'
                                     'text_people'  ''
                                         'release'  'INCredible Sound of Gilles Peterson (Disc 2)'
                                           'title'  'River Man'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-2', 'Q-LOCALNESS-1', 'Q-HHRNBTT-3', "
 "'Q-OLDST-1', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['jazz vocal', 'jazz', 'vocal jazz', 'jazz piano']"
                                     'discogstags'  "['jazz']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  '12'
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'hip hop or rnb or rap or turntablism'
                                             'bpm'  '121.701'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            ' 000000DF 000000D0 000004CB'
'COMM:iTunNORM:eng'                                 (' 000000DF 000000D0 000004CB 0000034E 00024A35 00038287 0000478D 000044A6 '
 '00024A1E 0002E647')
'TALB' (Album/Movie/Show title)                     'INCredible Sound of Gilles Peterson (Disc 2)'
'TBPM' (BPM (beats per minute))                     '121.701'
'TCON' (Content type, a.k.a. Genre)                 'hip hop or rnb or rap or turntablism'
'TDRC' (Recording time)                             '2000'
'TIT2' (Title/songname/content description)         'River Man'
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'Andy Bey'
'TRCK' (Track number/Position in set)               '7/12'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '3'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'jazz'
'TXXX:lastfmtags'                                   ['jazz vocal', 'jazz', 'vocal jazz', 'jazz piano']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.00 dB'
'TXXX:replaygain_track_peak'                        '0.810309'

========================== row from database ==========================
                                              'id'  760213
                                            'path'  /data/Music/Bulk/00popandrock-hiphop-rap-rnb-turntablism/Andy Bey - RIVER MAN.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  258
                                           'genre'  hip hop or rnb or rap or turntablism
                                        'filesize'  6254130
                                           'mtime'  1620586817
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock hiphop rap rnb turntablism RIVER MAN hip hop or rnb or rap or turntablism
                                      'tag_artist'  Andy Bey
                                     'tag_release'  INCredible Sound of Gilles Peterson (Disc 2)
                                       'tag_title'  River Man
                                             'bpm'  121.701
                                    'search_title'  'man':2 'river':1
                                   'search_artist'  'andy':1 'bey':2
                                  'search_release'  '2':8,9 'disc':6,7 'gilles':4 'incredible':1 'of':3 'peterson':5 'sound':2
                                     'search_rest'  'hip':7 'hiphop':1 'hop':8 'man':6 'or':9 'rap':2 'river':5 'rnb':3 'turntablism':4
                                    'search_combo'  '2':12C,13C 'andy':3B 'bey':4B 'disc':10C,11C 'gilles':8C 'hip':20 'hiphop':14 'hop':21 'incredible':5C 'man':2A,19 'of':7C 'or':22 'peterson':9C 'rap':15 'river':1A,18 'rnb':16 'sound':6C 'turntablism':17
                                    'tag_tracknum'  7
                                      'num_images'  1
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-3', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-1', 'q-syn-3', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['jazz vocal', 'jazz', 'vocal jazz', 'jazz piano']
                                        'tag_date'  2000
                                     'discogstags'  ['jazz']

============================== file details ==============================
                                           'mtime'  1620586817.4486115  (2021-05-09 21:00:17)
                             'size'  6254130