======================== unified (from filesystem) ========================
                                         'bitrate'  '91.86'
                                        'duration'  '140'
                                          'artist'  'MF Doom'
                                     'text_people'  ''
                                         'release'  'Dimitri - Intrumental'
                                           'title'  'High John'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', "
 "'Q-HHRNBTT-3', 'Q-SYN-2', 'Q-BUSY-3', 'Q-GRIT-2', 'Q-PLAY-3', 'q-bass-4', "
 "'Q-CHART-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'Q-MIXBEAT-2']")
                                      'lastfmtags'  "['hip hop', 'underground hip hop', 'rap']"
                                     'discogstags'  "['hip hop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'hip hop or rnb or rap or turntablism'
                                             'bpm'  '84.1'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Dimitri - Intrumental'
'TBPM' (BPM (beats per minute))                     '84.1'
'TCON' (Content type, a.k.a. Genre)                 'hip hop or rnb or rap or turntablism'
'TIT2' (Title/songname/content description)         'High John'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'MF Doom'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TSSE' (Software/Hardware and settings used for encoding)  'Lavf58.45.100'
'TXXX:Q-BUSY'                                       '3'
'TXXX:Q-CHART'                                      '2'
'TXXX:Q-GRIT'                                       '2'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '3'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-MIXBEAT'                                    '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-SYN'                                        '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:compatible_brands'                            'isomiso2mp41'
'TXXX:discogstags'                                  'hip hop'
'TXXX:lastfmtags'                                   ['hip hop', 'underground hip hop', 'rap']
'TXXX:major_brand'                                  'isom'
'TXXX:minor_version'                                '512'
'TXXX:q-bass'                                       '4'
'TXXX:q-drums'                                      '4'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.87 dB'
'TXXX:replaygain_track_peak'                        '0.579310'
'TXXX:youtube'                                      'ugtX4z5f-pU'

========================== row from database ==========================
                                              'id'  1477675
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Dimitri/Instrumental/MF Doom - High John-ugtX4z5f-pU.mp3
                                         'working'  None
                                         'bitrate'  91
                                    'duration_sec'  140
                                           'genre'  hip hop or rnb or rap or turntablism
                                        'filesize'  1621539
                                           'mtime'  1620526713
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm Instrumental ugtX4z5f pU hip hop or rnb or rap or turntablism
                                      'tag_artist'  MF Doom
                                     'tag_release'  Dimitri - Intrumental
                                       'tag_title'  High John
                                             'bpm'  84.1
                                    'search_title'  'high':1 'john':2
                                   'search_artist'  'doom':2 'mf':1
                                  'search_release'  'dimitri':1 'intrumental':2
                                     'search_rest'  'hip':4 'hop':5 'instrumental':1 'or':6 'p':12 'pu':3 'rap':8 'rnb':7 'turntablism':9 'u':13 'ugt':10 'ugtx4z5f':2 'x4z5f':11
                                    'search_combo'  'dimitri':5C 'doom':4B 'high':1A 'hip':10 'hop':11 'instrumental':7 'intrumental':6C 'john':2A 'mf':3B 'or':12 'p':18 'pu':9 'rap':14 'rnb':13 'turntablism':15 'u':19 'ugt':16 'ugtx4z5f':8 'x4z5f':17
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-3', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'Q-MIXBEAT-2', 'Q-OLDST-3', 'Q-GRIT-2', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-CHART-2', 'q-drums-4', 'Q-SYN-2', 'q-other-3', 'Q-BUSY-3', 'Q-HAP-3', 'Q-PLAY-3', 'q-bass-4']
                                      'lastfmtags'  ['hip hop', 'underground hip hop', 'rap']
                                        'tag_date'  
                                     'discogstags'  ['hip hop']

============================== file details ==============================
                                           'mtime'  1620526713.3735754  (2021-05-09 04:18:33)
                             'size'  1621539