======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '160'
                                          'artist'  'Deicide'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Lunatic of God`s Creation'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-4', 'q-play-3', "
 "'q-chart-3', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                     'discogstags'  "['death metal', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'eid-metal-death'
                                             'bpm'  '143.416'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'PRIV:AverageLevel:v\x1e\x00\x00'                   PRIV(owner='AverageLevel', data=b'v\x1e\x00\x00')
'PRIV:PeakValue:ÿ\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xff\x7f\x00\x00')
'PRIV:WM/MediaClassPrimaryID:¼}`Ñ#ãâK\x86¡H¤*(D\x1e'  PRIV(owner='WM/MediaClassPrimaryID', data=b'\xbc}`\xd1#\xe3\xe2K\x86\xa1H\xa4*(D\x1e')
'PRIV:WM/MediaClassSecondaryID:\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'  PRIV(owner='WM/MediaClassSecondaryID', data=b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
'TBPM' (BPM (beats per minute))                     '143.416'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-death'
'TIT2' (Title/songname/content description)         'Lunatic of God`s Creation'
'TKEY' (Initial key)                                '4A'
'TPE1' (Lead performer(s)/Soloist(s))               'Deicide'
'TXXX:Q-HAP'                                        '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  ['death metal', 'rock']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '4'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.14 dB'
'TXXX:replaygain_track_peak'                        '0.464530'

========================== row from database ==========================
                                              'id'  1503468
                                            'path'  /data/Music/Bulk/00dwimp/00metal/Deicide/Onbekend/deicide - lunatic of god_s creation.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  160
                                           'genre'  eid-metal-death
                                        'filesize'  2576808
                                           'mtime'  1620301916
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00metal Onbekend deicide lunatic god_s creation eid metal death
                                      'tag_artist'  Deicide
                                     'tag_release'  None
                                       'tag_title'  Lunatic of God`s Creation
                                             'bpm'  143.416
                                    'search_title'  'creation':5 'god':3 'lunatic':1 'of':2 's':4
                                   'search_artist'  'deicide':1
                                  'search_release'  
                                     'search_rest'  '00dwimp':1 '00metal':2 'creation':8 'death':11 'deicide':4 'eid':9 'god':6 'lunatic':5 'metal':10 'onbekend':3 's':7
                                    'search_combo'  '00dwimp':7 '00metal':8 'creation':5A,14 'death':17 'deicide':6B,10 'eid':15 'god':3A,12 'lunatic':1A,11 'metal':16 'of':2A 'onbekend':9 's':4A,13
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-1', 'q-bass-1', 'q-grit-4']
                                      'lastfmtags'  []
                                        'tag_date'  
                                     'discogstags'  ['death metal', 'rock']

============================== file details ==============================
                                           'mtime'  1620301915.8935676  (2021-05-06 13:51:55)
                             'size'  2576808