======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '56'
                                          'artist'  'Strong Bad'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Trogdor'
                                           'quals'  ("['Q-HAP-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-1', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['funny', 'homestar runner', 'comedy', 'awesome', 'podcast']"
                                     'discogstags'  "['pop rock', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '13'
                                      'tracktotal'  ''
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'rock-unsorted'
                                             'bpm'  '127.846'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '127.846'
'TCON' (Content type, a.k.a. Genre)                 'rock-unsorted'
'TDRC' (Recording time)                             '2003'
'TIT2' (Title/songname/content description)         'Trogdor'
'TKEY' (Initial key)                                '7A'
'TPE1' (Lead performer(s)/Soloist(s))               'Strong Bad'
'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'                                        '1'
'TXXX:discogstags'                                  ['pop rock', 'rock']
'TXXX:lastfmtags'                                   ['funny', 'homestar runner', 'comedy', 'awesome', 'podcast']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.94 dB'
'TXXX:replaygain_track_peak'                        '0.501110'

========================== row from database ==========================
                                              'id'  1420116
                                            'path'  /data/Music/Bulk/00poprockelectronic-poprock-indierock/Strong Bad/MBZ;#Strong Bad;#[non-album tracks];#03;#Trogdor.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  56
                                           'genre'  rock-unsorted
                                        'filesize'  898580
                                           'mtime'  1678463231
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic poprock indierock MBZ;#Strong Bad;#[non album tracks];#03;#Trogdor rock unsorted
                                      'tag_artist'  Strong Bad
                                     'tag_release'  None
                                       'tag_title'  Trogdor
                                             'bpm'  127.846
                                    'search_title'  'trogdor':1
                                   'search_artist'  'bad':2 'strong':1
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 '03':14,17 'album':12 'bad':8,10 'indierock':3 'mbz':4,6 'non':9,11 'poprock':2 'rock':19 'strong':5,7 'tracks':13,16 'trogdor':15,18 'unsorted':20
                                    'search_combo'  '00poprockelectronic':4 '03':17,20 'album':15 'bad':3B,11,13 'indierock':6 'mbz':7,9 'non':12,14 'poprock':5 'rock':22 'strong':2B,8,10 'tracks':16,19 'trogdor':1A,18,21 'unsorted':23
                                    'tag_tracknum'  13
                                      'num_images'  0
                                             'key'  7A
                                           'quals'  ['Q-HAP-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-2']
                                      'lastfmtags'  ['funny', 'homestar runner', 'comedy', 'awesome', 'podcast']
                                        'tag_date'  2003
                                     'discogstags'  ['pop rock', 'rock']

============================== file details ==============================
                                           'mtime'  1678463231.456282  (2023-03-10 16:47:11)
                             'size'  898580