======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '45'
                                          'artist'  'John Baker'
                                     'text_people'  ''
                                         'release'  'The John Baker Tapes Volume 1: BBC Radiophonics 1963-1974'
                                           'title'  'Radio Sheffield (News Idents)'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
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 "'q-chart-2', 'q-drums-2', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['bbc radiophonic workshop', 'all', 'electronic', 'british', 'experimental']"
                                     'discogstags'  "['soundtrack', 'electronic', 'stage & screen']"
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                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '17'
                                      'tracktotal'  ''
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'electronic-experimental-early'
                                             'bpm'  '99.8'
                                             'key'  '6B'
                                        'acoustid'  ''
rest: ''

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

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'COMM:iTunes_CDDB_IDs:eng'                          '49+D1D3F33CCD6349DC4916A07581B2235A+11217159'
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'TALB' (Album/Movie/Show title)                     'The John Baker Tapes Volume 1: BBC Radiophonics 1963-1974'
'TBPM' (BPM (beats per minute))                     '99.8'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental-early'
'TDRC' (Recording time)                             '2008'
'TENC' (Encoded by)                                 'iTunes v7.7.0.43'
'TIT2' (Title/songname/content description)         'Radio Sheffield (News Idents)'
'TKEY' (Initial key)                                '6B'
'TPE1' (Lead performer(s)/Soloist(s))               'John Baker'
'TPE2' (Band/orchestra/accompaniment)               'John Baker'
'TPOS' (Part of a set)                              '1/2'
'TRCK' (Track number/Position in set)               '17'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['soundtrack', 'electronic', 'stage & screen']
'TXXX:lastfmtags'                                   ['bbc radiophonic workshop', 'all', 'electronic', 'british', 'experimental']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.86 dB'
'TXXX:replaygain_track_peak'                        '0.509742'

========================== row from database ==========================
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                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/john baker - the john baker tapes volume 1 bbc radiophonics/1-17 radio sheffield (news idents).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  45
                                           'genre'  electronic-experimental-early
                                        'filesize'  1873273
                                           'mtime'  1636403717
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                                        'rest_str'   00exnnpjpsprgttidm john baker the john baker tapes volume bbc radiophonics 17 radio sheffield (news idents) electronic experimental early
                                      'tag_artist'  John Baker
                                     'tag_release'  The John Baker Tapes Volume 1: BBC Radiophonics 1963-1974
                                       'tag_title'  Radio Sheffield (News Idents)
                                             'bpm'  99.8
                                    'search_title'  'idents':5,6 'news':3,4 'radio':1 'sheffield':2
                                   'search_artist'  'baker':2 'john':1
                                  'search_release'  '1':6,7 '1963':10 '19631974':12 '1974':11 'baker':3 'bbc':8 'john':2 'radiophonics':9 'tapes':4 'the':1 'volume':5
                                     'search_rest'  'baker':2 'bbc':6 'early':16 'electronic':14 'experimental':15 'idents':12,13 'john':1 'news':10,11 'radio':8 'radiophonics':7 'sheffield':9 'tapes':4 'the':3 'volume':5
                                    'search_combo'  '1':14C,15C '1963':18C '19631974':20C '1974':19C 'baker':8B,11C,22 'bbc':16C,26 'early':36 'electronic':34 'experimental':35 'idents':5A,6A,32,33 'john':7B,10C,21 'news':3A,4A,30,31 'radio':1A,28 'radiophonics':17C,27 'sheffield':2A,29 'tapes':12C,24 'the':9C,23 'volume':13C,25
                                    'tag_tracknum'  17
                                      'num_images'  1
                                             'key'  6B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-3', 'q-chart-2', 'q-other-4', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['bbc radiophonic workshop', 'all', 'electronic', 'british', 'experimental']
                                        'tag_date'  2008
                                     'discogstags'  ['soundtrack', 'electronic', 'stage & screen']

============================== file details ==============================
                                           'mtime'  1636403717.3153894  (2021-11-08 21:35:17)
                             'size'  1873273