======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '158'
                                          'artist'  'Tenacious D'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'My Biznitch is the Shiznit'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-4', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['hard rock', 'alternative rock', 'alternative', 'comedy', 'rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '13'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'entertaining-unsorted'
                                             'bpm'  '111.272'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '111.272'
'TCON' (Content type, a.k.a. Genre)                 'entertaining-unsorted'
'TIT2' (Title/songname/content description)         'My Biznitch is the Shiznit'
'TKEY' (Initial key)                                '9B'
'TPE1' (Lead performer(s)/Soloist(s))               'Tenacious D'
'TRCK' (Track number/Position in set)               '13'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['hard rock', 'alternative rock', 'alternative', 'comedy', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '3'
'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'                        '+0.49 dB'
'TXXX:replaygain_track_peak'                        '0.844602'

========================== row from database ==========================
                                              'id'  1321214
                                            'path'  /data/Music/Bulk/00spent/Tenacious D/MBZ;#Tenacious D;#[non-album tracks];#13;#My Biznitch is the Shiznit.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  158
                                           'genre'  entertaining-unsorted
                                        'filesize'  2544361
                                           'mtime'  1676126982
                                   'redo_metaread'  0
                                        'rest_str'   00spent MBZ;#Tenacious D;#[non album tracks];#13;#My entertaining unsorted
                                      'tag_artist'  Tenacious D
                                     'tag_release'  None
                                       'tag_title'  My Biznitch is the Shiznit
                                             'bpm'  111.272
                                    'search_title'  'biznitch':2 'is':3 'my':1 'shiznit':5 'the':4
                                   'search_artist'  'd':2 'tenacious':1
                                  'search_release'  
                                     'search_rest'  '00spent':1 '13':12,15 'album':10 'd':6,8 'entertaining':17 'mbz':2,4 'my':13,16 'non':7,9 'tenacious':3,5 'tracks':11,14 'unsorted':18
                                    'search_combo'  '00spent':8 '13':19,22 'album':17 'biznitch':2A 'd':7B,13,15 'entertaining':24 'is':3A 'mbz':9,11 'my':1A,20,23 'non':14,16 'shiznit':5A 'tenacious':6B,10,12 'the':4A 'tracks':18,21 'unsorted':25
                                    'tag_tracknum'  13
                                      'num_images'  0
                                             'key'  9B
                                           'quals'  ['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-4', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']
                                      'lastfmtags'  ['hard rock', 'alternative rock', 'alternative', 'comedy', 'rock']
                                        'tag_date'  
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1676126982.4063997  (2023-02-11 15:49:42)
                             'size'  2544361