======================== unified (from filesystem) ========================
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                                        'duration'  '170'
                                          'artist'  'John Baker'
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                                         'release'  'The John Baker Tapes Volume 1: BBC Radiophonics 1963-1974'
                                           'title'  'Tros Y Gareg (Main Theme)'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
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 "'q-chart-2', 'q-drums-3', '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']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'electronic-experimental-early;set-pl-shirleyspinoza;set-pl-mor'
                                             'bpm'  '89.6'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

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'TALB' (Album/Movie/Show title)                     'The John Baker Tapes Volume 1: BBC Radiophonics 1963-1974'
'TBPM' (BPM (beats per minute))                     '89.6'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-experimental-early', 'set-pl-shirleyspinoza', 'set-pl-mor']
'TDRC' (Recording time)                             '2008'
'TENC' (Encoded by)                                 'iTunes v7.7.0.43'
'TIT2' (Title/songname/content description)         'Tros Y Gareg (Main Theme)'
'TKEY' (Initial key)                                '4A'
'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)               '2'
'TXXX:Q-HAP'                                        '3'
'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'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'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'                        '+0.75 dB'
'TXXX:replaygain_track_peak'                        '0.613079'

========================== row from database ==========================
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                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/john baker - the john baker tapes volume 1 bbc radiophonics/1-02 tros y gareg (main theme).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  170
                                           'genre'  electronic-experimental-early;set-pl-shirleyspinoza;set-pl-mor
                                        'filesize'  6869719
                                           'mtime'  1621698088
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                                        'rest_str'   00exnnpjpsprgttidm john baker the john baker tapes volume bbc radiophonics 02 tros y gareg (main theme) electronic experimental early;set pl shirleyspinoza;set pl mor
                                      'tag_artist'  John Baker
                                     'tag_release'  The John Baker Tapes Volume 1: BBC Radiophonics 1963-1974
                                       'tag_title'  Tros Y Gareg (Main Theme)
                                             'bpm'  89.6
                                    'search_title'  'gareg':3 'main':4,5 'theme':6,7 'tros':1 'y':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':17,19 'electronic':15 'experimental':16 'gareg':10 'john':1 'main':11,12 'mor':26 'pl':21 'radiophonics':7 'set':18,20,23,25 'shirleyspinoza':22,24 'tapes':4 'the':3 'theme':13,14 'tros':8 'volume':5 'y':9
                                    'search_combo'  '1':15C,16C '1963':19C '19631974':21C '1974':20C 'baker':9B,12C,23 'bbc':17C,27 'early':38,40 'electronic':36 'experimental':37 'gareg':3A,31 'john':8B,11C,22 'main':4A,5A,32,33 'mor':47 'pl':42 'radiophonics':18C,28 'set':39,41,44,46 'shirleyspinoza':43,45 'tapes':13C,25 'the':10C,24 'theme':6A,7A,34,35 'tros':1A,29 'volume':14C,26 'y':2A,30
                                    'tag_tracknum'  2
                                      'num_images'  1
                                             'key'  4A
                                           '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-3', 'q-syn-3', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['bbc radiophonic workshop', 'all', 'electronic', 'british', 'experimental']
                                        'tag_date'  2008
                                     'discogstags'  ['soundtrack', 'electronic', 'stage & screen']

============================== file details ==============================
                                           'mtime'  1621698088.3296134  (2021-05-22 17:41:28)
                             'size'  6869719