======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '146'
                                          'artist'  'John Baker'
                                     'text_people'  ''
                                         'release'  ('The John Baker Tapes Volume 2: Soundtracks, Library, Home Recordings, '
 'Electro Ads 1963 - 1975')
                                           'title'  'Piano Strokes'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-2', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'Q-PLAY-2', 'q-bass-2', 'q-busy-2', 'q-grit-2', "
 "'Q-PIANO-4', 'q-chart-2', 'q-drums-2', 'q-other-3', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['bbc radiophonic workshop', 'all', 'electronic', 'british', 'experimental']"
                                     'discogstags'  "['soundtrack', 'electronic', 'stage & screen']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '36'
                                      'tracktotal'  '39'
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'soundtrack-unsorted;mi-guitar;set-pl-shirleyspinoza;set-pl-mor'
                                             'bpm'  '85.9'
                                             'key'  '1B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.OTHER (Other) b''
                                     
'COMM::XXX'                                         '39++'
'TALB' (Album/Movie/Show title)                     ('The John Baker Tapes Volume 2: Soundtracks, Library, Home Recordings, '
 'Electro Ads 1963 - 1975')
'TBPM' (BPM (beats per minute))                     '85.9'
'TCON' (Content type, a.k.a. Genre)                 ['soundtrack-unsorted', 'mi-guitar', 'set-pl-shirleyspinoza', 'set-pl-mor']
'TDRC' (Recording time)                             '2008'
'TENC' (Encoded by)                                 'iTunes 10.3.1.55'
'TIT2' (Title/songname/content description)         'Piano Strokes'
'TKEY' (Initial key)                                '1B'
'TPE1' (Lead performer(s)/Soloist(s))               'John Baker'
'TRCK' (Track number/Position in set)               '36/39'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PIANO'                                      '4'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  ['soundtrack', 'electronic', 'stage & screen']
'TXXX:lastfmtags'                                   ['bbc radiophonic workshop', 'all', 'electronic', 'british', 'experimental']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+2.34 dB'
'TXXX:replaygain_track_peak'                        '0.969702'
'UFID:http://www.cddb.com/id3/taginfo1.html'        UFID(owner='http://www.cddb.com/id3/taginfo1.html', data=b'3CD3O3Q158962048V08BE2E59BB9FED217D262353181C96DEAAP1\x00')

========================== row from database ==========================
                                              'id'  1120661
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/The John Baker Tapes Volume 2_ Soundtracks, Library, Home Recordings, Electro Ads 1963 - 1975/36 Piano Strokes.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  146
                                           'genre'  soundtrack-unsorted;mi-guitar;set-pl-shirleyspinoza;set-pl-mor
                                        'filesize'  3666489
                                           'mtime'  1642081775
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm 2_ 36 soundtrack unsorted;mi guitar;set pl shirleyspinoza;set pl mor
                                      'tag_artist'  John Baker
                                     'tag_release'  The John Baker Tapes Volume 2: Soundtracks, Library, Home Recordings, Electro Ads 1963 - 1975
                                       'tag_title'  Piano Strokes
                                             'bpm'  85.9
                                    'search_title'  'piano':1 'strokes':2
                                   'search_artist'  'baker':2 'john':1
                                  'search_release'  '1963':17 '1975':18 '2':6,7 'ads':16 'baker':3 'electro':15 'home':12 'john':2 'library':10,11 'recordings':13,14 'soundtracks':8,9 'tapes':4 'the':1 'volume':5
                                     'search_rest'  '2':1 '36':2 'guitar':8,10 'mi':5,7 'mor':17 'pl':12 'set':9,11,14,16 'shirleyspinoza':13,15 'soundtrack':3 'unsorted':4,6
                                    'search_combo'  '1963':21C '1975':22C '2':10C,11C,23 '36':24 'ads':20C 'baker':4B,7C 'electro':19C 'guitar':30,32 'home':16C 'john':3B,6C 'library':14C,15C 'mi':27,29 'mor':39 'piano':1A 'pl':34 'recordings':17C,18C 'set':31,33,36,38 'shirleyspinoza':35,37 'soundtrack':25 'soundtracks':12C,13C 'strokes':2A 'tapes':8C 'the':5C 'unsorted':26,28 'volume':9C
                                    'tag_tracknum'  36
                                      'num_images'  1
                                             'key'  1B
                                           'quals'  ['Q-HAP-2', 'Q-UNU-2', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-2', 'q-syn-2', 'Q-PLAY-2', 'q-bass-2', 'q-busy-2', 'q-grit-2', 'Q-PIANO-4', 'q-chart-2', 'q-drums-2', 'q-other-3', 'q-vocals-1', 'q-mixbeat-2']
                                      'lastfmtags'  ['bbc radiophonic workshop', 'all', 'electronic', 'british', 'experimental']
                                        'tag_date'  2008
                                     'discogstags'  ['soundtrack', 'electronic', 'stage & screen']

============================== file details ==============================
                                           'mtime'  1642081774.7564788  (2022-01-13 14:49:34)
                             'size'  3666489