======================== unified (from filesystem) ========================
                                         'bitrate'  '205.48'
                                        'duration'  '169'
                                          'artist'  'Macklemore'
                                     'text_people'  ''
                                         'release'  'The Language Of My World'
                                           'title'  'Ego'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-3', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['underground rap', 'seattle', 'hip hop', 'rap']"
                                     'discogstags'  "['hip hop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  ''
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'hip hop or rnb or rap or turntablism'
                                             'bpm'  '86.070'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            'FTD'
'TALB' (Album/Movie/Show title)                     'The Language Of My World'
'TBPM' (BPM (beats per minute))                     '86.070'
'TCON' (Content type, a.k.a. Genre)                 'hip hop or rnb or rap or turntablism'
'TDRC' (Recording time)                             '2005'
'TIT2' (Title/songname/content description)         'Ego'
'TKEY' (Initial key)                                '4A'
'TPE1' (Lead performer(s)/Soloist(s))               'Macklemore'
'TRCK' (Track number/Position in set)               '7'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '3'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'hip hop'
'TXXX:lastfmtags'                                   ['underground rap', 'seattle', 'hip hop', 'rap']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'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'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.08 dB'
'TXXX:replaygain_track_peak'                        '0.332471'

========================== row from database ==========================
                                              'id'  720416
                                            'path'  /data/Music/Bulk/00popandrock-hiphop-rap-rnb-turntablism/Macklemore/07-macklemore-ego-ftd.mp3
                                         'working'  None
                                         'bitrate'  205
                                    'duration_sec'  169
                                           'genre'  hip hop or rnb or rap or turntablism
                                        'filesize'  4347601
                                           'mtime'  1620585836
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock hiphop rap rnb turntablism 07 macklemore ego ftd hip hop rnb rap turntablism
                                      'tag_artist'  Macklemore
                                     'tag_release'  The Language Of My World
                                       'tag_title'  Ego
                                             'bpm'  86.07
                                    'search_title'  'ego':1
                                   'search_artist'  'macklemore':1
                                  'search_release'  'language':2 'my':4 'of':3 'the':1 'world':5
                                     'search_rest'  'ego':6 'ftd':7 'hip':8 'hiphop':1 'hop':9 'macklemore':5 'rap':2 'rnb':3 'turntablism':4
                                    'search_combo'  'ego':1A,13 'ftd':14 'hip':15 'hiphop':8 'hop':16 'language':4C 'macklemore':2B,12 'my':6C 'of':5C 'rap':9 'rnb':10 'the':3C 'turntablism':11 'world':7C
                                    'tag_tracknum'  7
                                      'num_images'  0
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-3', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-3', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['underground rap', 'seattle', 'hip hop', 'rap']
                                        'tag_date'  2005
                                     'discogstags'  ['hip hop']

============================== file details ==============================
                                           'mtime'  1620585835.675495  (2021-05-09 20:43:55)
                             'size'  4347601