======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '44'
                                          'artist'  'The Muppets'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Swedish Chef Song'
                                           'quals'  ("['Q-HAP-3', 'Q-OLDST-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-2', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['soundtrack', 'tv', 'fun', 'comedy', 'childrens']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'entertaining-unsorted;set-pl-shirleyspinoza;set-pl-mor'
                                             'bpm'  '88.787'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '88.787'
'TCON' (Content type, a.k.a. Genre)                 ['entertaining-unsorted', 'set-pl-shirleyspinoza', 'set-pl-mor']
'TIT2' (Title/songname/content description)         'Swedish Chef Song'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Muppets'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['soundtrack', 'tv', 'fun', 'comedy', 'childrens']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.59 dB'
'TXXX:replaygain_track_peak'                        '0.377134'

========================== row from database ==========================
                                              'id'  261482
                                            'path'  /data/Music/Bulk/0soundtrack/The Muppets/Muppets, The__Swedish Chef Song.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  44
                                           'genre'  entertaining-unsorted;set-pl-shirleyspinoza;set-pl-mor
                                        'filesize'  712244
                                           'mtime'  1620531520
                                   'redo_metaread'  0
                                        'rest_str'   0soundtrack Muppets, The__Swedish entertaining unsorted;set pl shirleyspinoza;set pl mor
                                      'tag_artist'  The Muppets
                                     'tag_release'  None
                                       'tag_title'  Swedish Chef Song
                                             'bpm'  88.787
                                    'search_title'  'chef':2 'song':3 'swedish':1
                                   'search_artist'  'muppets':2 'the':1
                                  'search_release'  
                                     'search_rest'  '0soundtrack':1 'entertaining':6 'mor':16 'muppets':2,3 'pl':11 'set':8,10,13,15 'shirleyspinoza':12,14 'swedish':5 'the':4 'unsorted':7,9
                                    'search_combo'  '0soundtrack':6 'chef':2A 'entertaining':11 'mor':21 'muppets':5B,7,8 'pl':16 'set':13,15,18,20 'shirleyspinoza':17,19 'song':3A 'swedish':1A,10 'the':4B,9 'unsorted':12,14
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['soundtrack', 'tv', 'fun', 'comedy', 'childrens']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620531519.6837285  (2021-05-09 05:38:39)
                             'size'  712244