======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '257'
                                          'artist'  'Radiohead'
                                     'text_people'  'Radiohead'
                                         'release'  'The Bends'
                                           'title'  'High And Dry'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', "
 "'Q-UNU-1', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['alternative rock', 'indie', 'alternative', 'electronic', 'rock']"
                                     'discogstags'  "['rock', 'alternative rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  '12'
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-dance'
                                             'bpm'  '129.6'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'COMM:iTunNORM:eng'                                 (' 000007C9 0000089B 00004803 00004955 0003A339 0003A339 00008348 000082F2 '
 '00034A8D 000368A7')
'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 0000084C 0000000000AD4C24 00000000 009D1854 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'COMM:iTunes_CDDB_IDs:eng'                          '12+76BBC7210171EF5F9EDFFC55C36E1547+10418939'
'TALB' (Album/Movie/Show title)                     'The Bends'
'TBPM' (BPM (beats per minute))                     '129.6'
'TCOM' (Composer)                                   'Radiohead'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-dance'
'TDRC' (Recording time)                             '1995'
'TENC' (Encoded by)                                 'iTunes 8.1.0.51'
'TIT2' (Title/songname/content description)         'High And Dry'
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               'Radiohead'
'TPE2' (Band/orchestra/accompaniment)               'Radiohead'
'TPOS' (Part of a set)                              '1/2'
'TRCK' (Track number/Position in set)               '3/12'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['rock', 'alternative rock']
'TXXX:lastfmtags'                                   ['alternative rock', 'indie', 'alternative', 'electronic', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '2'
'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'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.63 dB'
'TXXX:replaygain_track_peak'                        '0.521896'

========================== row from database ==========================
                                              'id'  1361377
                                            'path'  /data/Music/Bulk/00poprockelectronic/set/1-03 High And Dry.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  257
                                           'genre'  electronic-generic or radio-dance
                                        'filesize'  10306436
                                           'mtime'  1678456860
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic set 1 03 electronic generic or radio dance
                                      'tag_artist'  Radiohead
                                     'tag_release'  The Bends
                                       'tag_title'  High And Dry
                                             'bpm'  129.6
                                    'search_title'  'and':2 'dry':3 'high':1
                                   'search_artist'  'radiohead':1
                                  'search_release'  'bends':2 'the':1
                                     'search_rest'  '00poprockelectronic':1 '1':3 'dance':8 'electronic':4 'generic':5 'or':6 'radio':7 'set':2
                                    'search_combo'  '00poprockelectronic':7 '1':9 'and':2A 'bends':6C 'dance':14 'dry':3A 'electronic':10 'generic':11 'high':1A 'or':12 'radio':13 'radiohead':4B 'set':8 'the':5C
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  12B
                                           'quals'  ['Q-HAP-2', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'Q-UNU-1', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-3', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-2', 'q-mixbeat-3']
                                      'lastfmtags'  ['alternative rock', 'indie', 'alternative', 'electronic', 'rock']
                                        'tag_date'  1995
                                     'discogstags'  ['rock', 'alternative rock']

============================== file details ==============================
                                           'mtime'  1678456860.3359919  (2023-03-10 15:01:00)
                             'size'  10306436