======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '615'
                                          'artist'  'Daphne Oram'
                                     'text_people'  ''
                                         'release'  'Oramics'
                                           'title'  'Brociliande'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'Q-OLDST-2', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  ("['bbc radiophonic workshop', 'electronic', 'early electronic', "
 "'experimental', 'sound collage']")
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '32'
                                      'tracktotal'  ''
                                            'date'  '2007'
                                        'comments'  ''
                                           'genre'  'electronic-experimental-early'
                                             'bpm'  '138.9'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'COMM:iTunNORM:eng'                                 (' 00000167 00000167 00000E30 00000E30 00002727 00002727 000048C4 000048C4 '
 '00002727 00002727')
'TALB' (Album/Movie/Show title)                     'Oramics'
'TBPM' (BPM (beats per minute))                     '138.9'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental-early'
'TDRC' (Recording time)                             '2007'
'TIT2' (Title/songname/content description)         'Brociliande'
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'Daphne Oram'
'TRCK' (Track number/Position in set)               '32'
'TXXX:ITunSMPB'                                     ('00000000 00000840 00000238 00000000019E3588 00000000 00000000 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'TXXX:ITunes_CDDB_IDs'                              '22+74BE8EDEBB23E679A6B342B51089D7FD+8713148'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:Tempo'                                        '00000 BPM'
'TXXX:Tool'                                         'iTunes v7.0.0.70, QuickTime 7.1.3'
'TXXX:Totaltracks'                                  '22'
'TXXX:Writer'                                       'Daphne Oram'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['bbc radiophonic workshop',
 'electronic',
 'early electronic',
 'experimental',
 'sound collage']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.32 dB'
'TXXX:replaygain_track_peak'                        '0.714678'

========================== row from database ==========================
                                              'id'  1363475
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Hugh Le Caine - 1970/daphne oram - brociliande (1970).mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  615
                                           'genre'  electronic-experimental-early
                                        'filesize'  9852928
                                           'mtime'  1637329012
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm Hugh Le Caine 1970 daphne oram brociliande (1970) electronic experimental early
                                      'tag_artist'  Daphne Oram
                                     'tag_release'  Oramics
                                       'tag_title'  Brociliande
                                             'bpm'  138.9
                                    'search_title'  'brociliande':1
                                   'search_artist'  'daphne':1 'oram':2
                                  'search_release'  'oramics':1
                                     'search_rest'  '1970':4,8 'brociliande':7 'caine':3 'daphne':5 'early':11 'electronic':9 'experimental':10 'hugh':1 'le':2 'oram':6
                                    'search_combo'  '1970':8,12 'brociliande':1A,11 'caine':7 'daphne':2B,9 'early':15 'electronic':13 'experimental':14 'hugh':5 'le':6 'oram':3B,10 'oramics':4C
                                    'tag_tracknum'  32
                                      'num_images'  0
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-3', 'q-chart-2', 'q-other-4', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['bbc radiophonic workshop', 'electronic', 'early electronic', 'experimental', 'sound collage']
                                        'tag_date'  2007
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1637329012.4102015  (2021-11-19 14:36:52)
                             'size'  9852928