======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '214'
                                          'artist'  'Weird Al Yankovic'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  "It's All About The Pentiums"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-UNU-2', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['comedy', 'parody', 'rock', 'humor', 'funny']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'entertaining-unsorted'
                                             'bpm'  '121.482'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '121.482'
'TCON' (Content type, a.k.a. Genre)                 'entertaining-unsorted'
'TIT2' (Title/songname/content description)         "It's All About The Pentiums"
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Weird Al Yankovic'
'TXXX:Mp3gain_minmax'                               '000,192'
'TXXX:Mp3gain_undo'                                 '+006,+006,N'
'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'                                   ['comedy', 'parody', 'rock', 'humor', 'funny']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.13 dB'
'TXXX:replaygain_track_peak'                        '0.426598'

========================== row from database ==========================
                                              'id'  1520224
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/Weird Al Yankovic - It_s All About The Pentiums.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  214
                                           'genre'  entertaining-unsorted
                                        'filesize'  3437213
                                           'mtime'  1620573048
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] It_s entertaining unsorted
                                      'tag_artist'  Weird Al Yankovic
                                     'tag_release'  None
                                       'tag_title'  It's All About The Pentiums
                                             'bpm'  121.482
                                    'search_title'  'about':5 'all':4 'it':1 'its':3 'pentiums':7 's':2 'the':6
                                   'search_artist'  'al':2 'weird':1 'yankovic':3
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 'entertaining':9 'files':5,6 'it':7 'loose':3,4 's':8 'unsorted':2
                                    'search_combo'  '00poprockelectronic':11 'about':5A 'al':9B 'all':4A 'entertaining':19 'files':15,16 'it':1A,17 'its':3A 'loose':13,14 'pentiums':7A 's':2A,18 'the':6A 'unsorted':12 'weird':8B 'yankovic':10B
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-4', 'q-syn-2', 'q-chart-3', 'q-other-2', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['comedy', 'parody', 'rock', 'humor', 'funny']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620573048.0415647  (2021-05-09 17:10:48)
                             'size'  3437213