======================== unified (from filesystem) ========================
                                         'bitrate'  '320.02'
                                        'duration'  '420'
                                          'artist'  'Lamp Of The Universe'
                                     'text_people'  ''
                                         'release'  'Earth, Spirit, And Sky'
                                           'title'  'Call of the Ancient'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['psychedelic folk', 'acid folk', 'space rock', 'psychedelic rock', "
 "'psychedelic']")
                                     'discogstags'  "['psychedelic rock', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '06'
                                      'tracktotal'  '08'
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'rock-cppex-psychedelic'
                                             'bpm'  '145.9'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'MCDI' (Music CD identifier)                        MCDI(data=b'\x00J\x01\x08\x00\x10\x01\x00\x00\x00\x00\x96\x00\x10\x02\x00\x00\x00N\xd9\x00\x10\x03\x00\x00\x00\xb0e\x00\x10\x04\x00\x00\x01\x1fa\x00\x10\x05\x00\x00\x01sl\x00\x10\x06\x00\x00\x01\xc8\x91\x00\x10\x07\x00\x00\x02D;\x00\x10\x08\x00\x00\x03\x1c\xc7\x00\x10\t\x00\x00\x03\x95\x05')
'TALB' (Album/Movie/Show title)                     'Earth, Spirit, And Sky'
'TBPM' (BPM (beats per minute))                     '145.9'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-psychedelic'
'TDRC' (Recording time)                             '2005'
'TIT2' (Title/songname/content description)         'Call of the Ancient'
'TKEY' (Initial key)                                '9B'
'TLEN' (Length)                                     '420000'
'TPE1' (Lead performer(s)/Soloist(s))               'Lamp Of The Universe'
'TPE2' (Band/orchestra/accompaniment)               'Lamp Of The Universe'
'TRCK' (Track number/Position in set)               '06/08'
'TXXX:Dynamic Range (DR)'                           '12'
'TXXX:Dynamic Range (R128)'                         '4.2106399536132812'
'TXXX:Peak Level (R128)'                            '+0.1 dBTP; +0.1 Left; +0.0 Right'
'TXXX:Peak Level (Sample)'                          '+0.0 dB; +0.0 Left; +0.0 Right'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:Tool Name'                                    'Media Center'
'TXXX:Tool Version'                                 '20.0.131'
'TXXX:Volume Level (R128)'                          '-8.8309497833251953'
'TXXX:Volume Level (ReplayGain)'                    '-3.8309500217437744'
'TXXX:discogstags'                                  ['psychedelic rock', 'rock']
'TXXX:lastfmtags'                                   ['psychedelic folk',
 'acid folk',
 'space rock',
 'psychedelic rock',
 'psychedelic']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.68 dB'
'TXXX:replaygain_track_peak'                        '0.596418'
'UFID:ÿþn'                                          UFID(owner='ÿþn', data=b'c\x00o\x00n\x00t\x00a\x00c\x00t\x00@\x00n\x00o\x00d\x00o\x00m\x00a\x00i\x00n\x00.\x00c\x00o\x00m\x00\x00\x000\x003\x00/\x002\x006\x00/\x002\x000\x000\x009\x00 \x001\x009\x00:\x002\x003\x00')

========================== row from database ==========================
                                              'id'  1412669
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/Lamp of the Universe - Trip Hill Split - Lamp Of The Universe/(2005) Earth, Spirit, And Sky/06. Call of the Ancient.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  420
                                           'genre'  rock-cppex-psychedelic
                                        'filesize'  16841248
                                           'mtime'  1620736495
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy Trip Hill Split (2005) 06. rock cppex psychedelic
                                      'tag_artist'  Lamp Of The Universe
                                     'tag_release'  Earth, Spirit, And Sky
                                       'tag_title'  Call of the Ancient
                                             'bpm'  145.9
                                    'search_title'  'ancient':4 'call':1 'of':2 'the':3
                                   'search_artist'  'lamp':1 'of':2 'the':3 'universe':4
                                  'search_release'  'and':5 'earth':1,2 'sky':6 'spirit':3,4
                                     'search_rest'  '06':7,8 '2005':5,6 'classicprogpsy':1 'cppex':10 'hill':3 'psychedelic':11 'rock':9 'split':4 'trip':2
                                    'search_combo'  '06':21,22 '2005':19,20 'ancient':4A 'and':13C 'call':1A 'classicprogpsy':15 'cppex':24 'earth':9C,10C 'hill':17 'lamp':5B 'of':2A,6B 'psychedelic':25 'rock':23 'sky':14C 'spirit':11C,12C 'split':18 'the':3A,7B 'trip':16 'universe':8B
                                    'tag_tracknum'  6
                                      'num_images'  1
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['psychedelic folk', 'acid folk', 'space rock', 'psychedelic rock', 'psychedelic']
                                        'tag_date'  2005
                                     'discogstags'  ['psychedelic rock', 'rock']

============================== file details ==============================
                                           'mtime'  1620736494.8863907  (2021-05-11 14:34:54)
                             'size'  16841248