======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '194'
                                          'artist'  'Morphine'
                                     'text_people'  ''
                                         'release'  'Cure For Pain'
                                           'title'  'Candy'
                                           'quals'  ("['Q-OLDST-1', 'Q-UNU-1', 'Q-HAP-2', 'Q-JZFKS-2', 'Q-LOCALNESS-2', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['indie', 'alternative', 'jazz', 'blues', 'rock']"
                                     'discogstags'  "['hardcore', 'gabber', 'electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'prerock-jb-blues'
                                             'bpm'  '105.697'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Cure For Pain'
'TBPM' (BPM (beats per minute))                     '105.697'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-blues'
'TIT2' (Title/songname/content description)         'Candy'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Morphine'
'TRCK' (Track number/Position in set)               '5'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['hardcore', 'gabber', 'electronic']
'TXXX:lastfmtags'                                   ['indie', 'alternative', 'jazz', 'blues', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.22 dB'
'TXXX:replaygain_track_peak'                        '0.608265'

========================== row from database ==========================
                                              'id'  1346482
                                            'path'  /data/Music/Bulk/00poprockelectronic/Morphine/Morphine__MBZ;#Morphine;#Cure For Pain;#05;#Candy.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  194
                                           'genre'  prerock-jb-blues
                                        'filesize'  4675230
                                           'mtime'  1620404519
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Morphine__MBZ;#Morphine;#Cure Pain;#05;#Candy prerock jb blues
                                      'tag_artist'  Morphine
                                     'tag_release'  Cure For Pain
                                       'tag_title'  Candy
                                             'bpm'  105.697
                                    'search_title'  'candy':1
                                   'search_artist'  'morphine':1
                                  'search_release'  'cure':1 'for':2 'pain':3
                                     'search_rest'  '00poprockelectronic':1 '05':11,14 'blues':18 'candy':12,15 'cure':5,9 'jb':17 'mbz':3,7 'morphine':2,4,6,8 'pain':10,13 'prerock':16
                                    'search_combo'  '00poprockelectronic':6 '05':16,19 'blues':23 'candy':1A,17,20 'cure':3C,10,14 'for':4C 'jb':22 'mbz':8,12 'morphine':2B,7,9,11,13 'pain':5C,15,18 'prerock':21
                                    'tag_tracknum'  5
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'alternative', 'jazz', 'blues', 'rock']
                                        'tag_date'  
                                     'discogstags'  ['hardcore', 'gabber', 'electronic']

============================== file details ==============================
                                           'mtime'  1620404518.8194036  (2021-05-07 18:21:58)
                             'size'  4675230