======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '569'
                                          'artist'  'Donald Harrison, ron Carter, Billy Cobham'
                                     'text_people'  'Don Raye/Gene DePaul/Patricia Johnston'
                                         'release'  'radio jazz 13'
                                           'title'  "I'll Remember April"
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-2', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-JZFKS-2', "
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 "'Q-CHART-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'Q-MIXBEAT-2']")
                                      'lastfmtags'  "['jazz', 'sax', 'bass', 'percussion']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '04'
                                      'tracktotal'  ''
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-unsorted'
                                             'bpm'  '108.7'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

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'TALB' (Album/Movie/Show title)                     'radio jazz 13'
'TBPM' (BPM (beats per minute))                     '108.7'
'TCOM' (Composer)                                   'Don Raye/Gene DePaul/Patricia Johnston'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-unsorted'
'TDRC' (Recording time)                             '2005'
'TIT2' (Title/songname/content description)         "I'll Remember April"
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Donald Harrison, ron Carter, Billy Cobham'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPUB' (Publisher)                                  'Half Note Records'
'TRCK' (Track number/Position in set)               '04'
'TXXX:NOTES'                                        'OTES'
'TXXX:Q-BUSY'                                       '3'
'TXXX:Q-CHART'                                      '2'
'TXXX:Q-GRIT'                                       '1'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-MIXBEAT'                                    '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-SYN'                                        '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['jazz', 'sax', 'bass', 'percussion']
'TXXX:q-bass'                                       '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-3.60 dB'
'TXXX:replaygain_track_peak'                        '0.903074'

========================== row from database ==========================
                                              'id'  1522101
                                            'path'  /data/Music/Bulk/00poprockelectronic/radio jazz 13/Donald Harrison, Ron Carter & Billy Cobham - i_ll remember april.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  569
                                           'genre'  prerock-jb-jazz-unsorted
                                        'filesize'  23256463
                                           'mtime'  1620541388
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Ron & i_ll remember april prerock jb unsorted
                                      'tag_artist'  Donald Harrison, ron Carter, Billy Cobham
                                     'tag_release'  radio jazz 13
                                       'tag_title'  I'll Remember April
                                             'bpm'  108.7
                                    'search_title'  'april':5 'i':1 'ill':3 'll':2 'remember':4
                                   'search_artist'  'billy':7 'carter':5,6 'cobham':8 'donald':1 'harrison':2,3 'ron':4
                                  'search_release'  'jazz':2 'radio':1
                                     'search_rest'  '00poprockelectronic':1 'april':6 'i':3 'jb':8 'll':4 'prerock':7 'remember':5 'ron':2 'unsorted':9
                                    'search_combo'  '00poprockelectronic':16 'april':5A,21 'billy':12B 'carter':10B,11B 'cobham':13B 'donald':6B 'harrison':7B,8B 'i':1A,18 'ill':3A 'jazz':15C 'jb':23 'll':2A,19 'prerock':22 'radio':14C 'remember':4A,20 'ron':9B,17 'unsorted':24
                                    'tag_tracknum'  4
                                      'num_images'  1
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-2', 'q-piano-1', 'Q-MIXBEAT-2', 'Q-OLDST-2', 'Q-GRIT-1', 'Q-UNU-1', 'Q-JZFKS-2', 'Q-CHART-2', 'q-drums-4', 'Q-SYN-1', 'q-other-3', 'Q-BUSY-3', 'Q-HAP-3', 'Q-PLAY-2', 'q-bass-2']
                                      'lastfmtags'  ['jazz', 'sax', 'bass', 'percussion']
                                        'tag_date'  2005
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620541387.8816369  (2021-05-09 08:23:07)
                             'size'  23256463