======================== unified (from filesystem) ========================
                                         'bitrate'  '225.705'
                                        'duration'  '290'
                                          'artist'  'Sonny Stitt & Jack McDuff'
                                     'text_people'  'Gerald Marks/Seymour Simons'
                                         'release'  'radio jazz 13'
                                           'title'  'All Of Me'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-2', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-JZFKS-2', "
 "'Q-OLDST-2', 'Q-SYN-1', 'Q-BUSY-3', 'Q-GRIT-1', 'Q-PLAY-2', 'q-bass-4', "
 "'Q-CHART-2', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'Q-MIXBEAT-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '1962'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-unsorted'
                                             'bpm'  '123.0'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

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'TALB' (Album/Movie/Show title)                     ['radio jazz 13', 'Stitt Meets Brother Jack']
'TBPM' (BPM (beats per minute))                     '123.0'
'TCOM' (Composer)                                   'Gerald Marks/Seymour Simons'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-unsorted'
'TDRC' (Recording time)                             '1962'
'TIT2' (Title/songname/content description)         'All Of Me'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Sonny Stitt & Jack McDuff'
'TPE2' (Band/orchestra/accompaniment)               ['Various Artists', 'Sonny Stitt & Jack McDuff']
'TPUB' (Publisher)                                  'Original Jazz Classics'
'TRCK' (Track number/Position in set)               '1'
'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'                                    '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-SYN'                                        '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.58 dB'
'TXXX:replaygain_track_peak'                        '0.839681'

========================== row from database ==========================
                                              'id'  1482035
                                            'path'  /data/Music/Bulk/00poprockelectronic/radio jazz 13/Sonny Stitt & Jack McDuff - all of me.mp3
                                         'working'  None
                                         'bitrate'  225
                                    'duration_sec'  290
                                           'genre'  prerock-jb-jazz-unsorted
                                        'filesize'  9253890
                                           'mtime'  1620541550
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic all of me prerock jb unsorted
                                      'tag_artist'  Sonny Stitt & Jack McDuff
                                     'tag_release'  radio jazz 13
                                       'tag_title'  All Of Me
                                             'bpm'  123.0
                                    'search_title'  'all':1 'me':3 'of':2
                                   'search_artist'  'duff':6 'jack':3 'mc':5 'mcduff':4 'sonny':1 'stitt':2
                                  'search_release'  'jazz':2 'radio':1
                                     'search_rest'  '00poprockelectronic':1 'all':2 'jb':6 'me':4 'of':3 'prerock':5 'unsorted':7
                                    'search_combo'  '00poprockelectronic':12 'all':1A,13 'duff':9B 'jack':6B 'jazz':11C 'jb':17 'mc':8B 'mcduff':7B 'me':3A,15 'of':2A,14 'prerock':16 'radio':10C 'sonny':4B 'stitt':5B 'unsorted':18
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-2', 'q-piano-1', 'Q-MIXBEAT-1', 'Q-OLDST-2', 'Q-GRIT-1', 'Q-UNU-1', 'Q-JZFKS-2', 'Q-CHART-2', 'q-drums-3', 'Q-SYN-1', 'q-other-4', 'Q-BUSY-3', 'Q-HAP-3', 'Q-PLAY-2', 'q-bass-4']
                                      'lastfmtags'  []
                                        'tag_date'  1962
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620541550.3175912  (2021-05-09 08:25:50)
                             'size'  9253890