======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '272'
                                          'artist'  'Roy Hargrove Quintet'
                                     'text_people'  ''
                                         'release'  'radio jazz 13'
                                           'title'  'Brown'
                                           '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-2', 'q-other-3', 'q-piano-2', 'q-vocals-1', "
 "'Q-MIXBEAT-1']")
                                      'lastfmtags'  "['jazz', 'trumpet', 'funk', 'post-bop']"
                                     'discogstags'  "['jazz']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '02'
                                      'tracktotal'  ''
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-unsorted'
                                             'bpm'  '121.7'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.OTHER (Other) b''
                                     
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'TALB' (Album/Movie/Show title)                     'radio jazz 13'
'TBPM' (BPM (beats per minute))                     '121.7'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-unsorted'
'TDRC' (Recording time)                             '2008'
'TIT2' (Title/songname/content description)         'Brown'
'TKEY' (Initial key)                                '9B'
'TPE1' (Lead performer(s)/Soloist(s))               'Roy Hargrove Quintet'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPUB' (Publisher)                                  "Groovin' High"
'TRCK' (Track number/Position in set)               '02'
'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:discogstags'                                  'jazz'
'TXXX:lastfmtags'                                   ['jazz', 'trumpet', 'funk', 'post-bop']
'TXXX:q-bass'                                       '4'
'TXXX:q-drums'                                      '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-3.30 dB'
'TXXX:replaygain_track_peak'                        '1.046565'

========================== row from database ==========================
                                              'id'  1482420
                                            'path'  /data/Music/Bulk/00poprockelectronic/radio jazz 13/Roy Hargrove quintet - brown.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  272
                                           'genre'  prerock-jb-jazz-unsorted
                                        'filesize'  10906856
                                           'mtime'  1620541538
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic quintet brown prerock jb unsorted
                                      'tag_artist'  Roy Hargrove Quintet
                                     'tag_release'  radio jazz 13
                                       'tag_title'  Brown
                                             'bpm'  121.7
                                    'search_title'  'brown':1
                                   'search_artist'  'hargrove':2 'quintet':3 'roy':1
                                  'search_release'  'jazz':2 'radio':1
                                     'search_rest'  '00poprockelectronic':1 'brown':3 'jb':5 'prerock':4 'quintet':2 'unsorted':6
                                    'search_combo'  '00poprockelectronic':7 'brown':1A,9 'hargrove':3B 'jazz':6C 'jb':11 'prerock':10 'quintet':4B,8 'radio':5C 'roy':2B 'unsorted':12
                                    'tag_tracknum'  2
                                      'num_images'  1
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-2', 'q-piano-2', 'Q-MIXBEAT-1', 'Q-OLDST-2', 'Q-GRIT-1', 'Q-UNU-1', 'Q-JZFKS-2', 'Q-CHART-2', 'q-drums-2', 'Q-SYN-1', 'q-other-3', 'Q-BUSY-3', 'Q-HAP-3', 'Q-PLAY-2', 'q-bass-4']
                                      'lastfmtags'  ['jazz', 'trumpet', 'funk', 'post-bop']
                                        'tag_date'  2008
                                     'discogstags'  ['jazz']

============================== file details ==============================
                                           'mtime'  1620541537.881534  (2021-05-09 08:25:37)
                             'size'  10906856