======================== unified (from filesystem) ========================
                                         'bitrate'  '186.936'
                                        'duration'  '246'
                                          'artist'  'RJD2'
                                     'text_people'  ''
                                         'release'  'Since We Last Spoke'
                                           'title'  'Iced Lightning'
                                           '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-3', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['electronica', 'trip hop', 'electronic', 'hip hop']"
                                     'discogstags'  "['hip hop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  ''
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  ('hip hop or rnb or rap or turntablism;electronic-trip hop or downtempo or '
 'acid jazz')
                                             'bpm'  '116.186'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Since We Last Spoke'
'TBPM' (BPM (beats per minute))                     '116.186'
'TCON' (Content type, a.k.a. Genre)                 ['hip hop or rnb or rap or turntablism',
 'electronic-trip hop or downtempo or acid jazz']
'TDRC' (Recording time)                             '2004'
'TIT2' (Title/songname/content description)         'Iced Lightning'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'RJD2'
'TRCK' (Track number/Position in set)               '9'
'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'                                   ['electronica', 'trip hop', 'electronic', 'hip hop']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.65 dB'
'TXXX:replaygain_track_peak'                        '0.550474'

========================== row from database ==========================
                                              'id'  1355610
                                            'path'  /data/Music/Bulk/00poprockelectronic/Rjd2/09-rjd2--iced_lightning-sb.mp3
                                         'working'  None
                                         'bitrate'  186
                                    'duration_sec'  246
                                           'genre'  hip hop or rnb or rap or turntablism;electronic-trip hop or downtempo or acid jazz
                                        'filesize'  5767068
                                           'mtime'  1636911400
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Rjd2 09 rjd2 iced_lightning sb hip hop or rnb or rap or turntablism;electronic trip hop or downtempo or acid jazz
                                      'tag_artist'  RJD2
                                     'tag_release'  Since We Last Spoke
                                       'tag_title'  Iced Lightning
                                             'bpm'  116.186
                                    'search_title'  'iced':1 'lightning':2
                                   'search_artist'  'rjd2':1
                                  'search_release'  'last':3 'since':1 'spoke':4 'we':2
                                     'search_rest'  '00poprockelectronic':1 'acid':17 'downtempo':16 'electronic':12,14 'hip':6 'hop':7 'iced':3 'jazz':18 'lightning':4 'or':8 'rap':10 'rjd2':2 'rnb':9 'sb':5 'trip':15 'turntablism':11,13
                                    'search_combo'  '00poprockelectronic':8 'acid':24 'downtempo':23 'electronic':19,21 'hip':13 'hop':14 'iced':1A,10 'jazz':25 'last':6C 'lightning':2A,11 'or':15 'rap':17 'rjd2':3B,9 'rnb':16 'sb':12 'since':4C 'spoke':7C 'trip':22 'turntablism':18,20 'we':5C
                                    'tag_tracknum'  9
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-3', 'q-vocals-1', '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-4', 'q-syn-3', 'q-chart-3', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['electronica', 'trip hop', 'electronic', 'hip hop']
                                        'tag_date'  2004
                                     'discogstags'  ['hip hop']

============================== file details ==============================
                                           'mtime'  1636911400.0970578  (2021-11-14 18:36:40)
                             'size'  5767068