======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '454'
                                          'artist'  'Kevin de Vries'
                                     'text_people'  ''
                                         'release'  'Clean'
                                           'title'  'Samarev (Original Mix)'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-OLDST-1', "
 "'Q-LOCALNESS-1', 'q-syn-4', 'q-bass-3', 'q-busy-2', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-3']")
                                     'discogstags'  "['techno', 'electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '2019'
                                        'comments'  ''
                                           'genre'  'electronic-th-techno'
                                             'bpm'  '128'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'APIC: '                                            type PictureType.FISH (A bright coloured fish) b' '
                                     
'COMM::eng'                                         'Reviewed'
'POPM: '                                            POPM(email=' ', rating=153, count=0)
'TALB' (Album/Movie/Show title)                     'Clean'
'TBPM' (BPM (beats per minute))                     '128'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-techno'
'TDOR' (Original release time)                      '2019-01-15'
'TDRC' (Recording time)                             '2019'
'TDRL' (Release time)                               '2019-01-15'
'TIT2' (Title/songname/content description)         'Samarev (Original Mix)'
'TKEY' (Initial key)                                '8A'
'TMOO' (Mood)                                       "Techy, Chunky, Ethereal, Bangin'"
'TPE1' (Lead performer(s)/Soloist(s))               'Kevin de Vries'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPUB' (Publisher)                                  'Dynamic Reflection'
'TRCK' (Track number/Position in set)               '1'
'TSRC' (ISRC (international standard recording code))  'NLCK41029259'
'TXXX:CATALOGNUMBER'                                'DRC005'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['techno', 'electronic']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '4'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-2.33 dB'
'TXXX:replaygain_track_peak'                        '0.506701'
'UFID:http://www.beatport.com'                      UFID(owner='http://www.beatport.com', data=b'track-11473952')

========================== row from database ==========================
                                              'id'  1299752
                                            'path'  /data/Music/Bulk/00poprockelectronic/00techno-house-harder-beats/Music - Clean/01-kevin_de_vries-samarev_(original_mix)-2b7461ef.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  454
                                           'genre'  electronic-th-techno
                                        'filesize'  18654766
                                           'mtime'  1620563809
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00techno house harder beats Music 01 kevin_de_vries samarev_(original_mix) 2b7461ef electronic th techno
                                      'tag_artist'  Kevin de Vries
                                     'tag_release'  Clean
                                       'tag_title'  Samarev (Original Mix)
                                             'bpm'  128.0
                                    'search_title'  'mix':4,5 'original':2,3 'samarev':1
                                   'search_artist'  'de':2 'kevin':1 'vries':3
                                  'search_release'  'clean':1
                                     'search_rest'  '00poprockelectronic':1 '00techno':2 '2b7461ef':16 'beats':5 'de':8 'electronic':17 'harder':4 'house':3 'kevin':7 'mix':12,15 'music':6 'original':11,14 'samarev':10,13 'techno':19 'th':18 'vries':9
                                    'search_combo'  '00poprockelectronic':10 '00techno':11 '2b7461ef':25 'beats':14 'clean':9C 'de':7B,17 'electronic':26 'harder':13 'house':12 'kevin':6B,16 'mix':4A,5A,21,24 'music':15 'original':2A,3A,20,23 'samarev':1A,19,22 'techno':28 'th':27 'vries':8B,18
                                    'tag_tracknum'  1
                                      'num_images'  2
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-4', 'q-syn-4', 'q-chart-2', 'q-other-2', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['house', 'techno', 'electronic', 'tech house']
                                        'tag_date'  2019
                                     'discogstags'  ['techno', 'electronic']

============================== file details ==============================
                                           'mtime'  1620563809.0800183  (2021-05-09 14:36:49)
                             'size'  18654766