======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '254'
                                          'artist'  'Emika'
                                     'text_people'  ''
                                         'release'  'Emika'
                                           'title'  'Pretend'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-2', 'Q-OLDST-3', "
 "'Q-UNU-1', 'q-syn-3', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['ninja tune', 'trip hop', 'dubstep', 'experimental', 'electronic']"
                                     'discogstags'  "['electronic', 'dubstep']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '07'
                                      'tracktotal'  '12'
                                            'date'  '2011'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-beats'
                                             'bpm'  '130.1'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Emika'
'TBPM' (BPM (beats per minute))                     '130.1'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-beats'
'TDRC' (Recording time)                             '2011-10-03'
'TIT2' (Title/songname/content description)         'Pretend'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Emika'
'TPOS' (Part of a set)                              '1'
'TPUB' (Publisher)                                  'Ninja Tune'
'TRCK' (Track number/Position in set)               '07/12'
'TSRC' (ISRC (international standard recording code))  'ZENCD156'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['electronic', 'dubstep']
'TXXX:lastfmtags'                                   ['ninja tune', 'trip hop', 'dubstep', 'experimental', 'electronic']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.15 dB'
'TXXX:replaygain_track_peak'                        '0.524736'
'UFID:artwork guid'                                 UFID(owner='artwork guid', data=b'36CA8472-40D0-CA3C-4297-4862B39A9421')
'UFID:catalogue number'                             UFID(owner='catalogue number', data=b'ZENDNL 156')
'WPUB' (Publishers official webpage)                WPUB(url='Ninja Tune')

========================== row from database ==========================
                                              'id'  1334813
                                            'path'  /data/Music/Bulk/00poprockelectronic/00techno-house-harder-beats/2011 - emika/07. Emika - Pretend.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  254
                                           'genre'  electronic-generic or radio-beats
                                        'filesize'  10262176
                                           'mtime'  1620563455
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00techno house harder beats 2011 emika 07. electronic generic or radio beats
                                      'tag_artist'  Emika
                                     'tag_release'  Emika
                                       'tag_title'  Pretend
                                             'bpm'  130.1
                                    'search_title'  'pretend':1
                                   'search_artist'  'emika':1
                                  'search_release'  'emika':1
                                     'search_rest'  '00poprockelectronic':1 '00techno':2 '07':8,9 '2011':6 'beats':5 'electronic':10 'emika':7 'generic':11 'harder':4 'house':3 'or':12 'radio':13
                                    'search_combo'  '00poprockelectronic':4 '00techno':5 '07':11,12 '2011':9 'beats':8 'electronic':13 'emika':2B,3C,10 'generic':14 'harder':7 'house':6 'or':15 'pretend':1A 'radio':16
                                    'tag_tracknum'  7
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-3', 'q-other-2', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['ninja tune', 'trip hop', 'dubstep', 'experimental', 'electronic']
                                        'tag_date'  2011
                                     'discogstags'  ['electronic', 'dubstep']

============================== file details ==============================
                                           'mtime'  1620563454.7649267  (2021-05-09 14:30:54)
                             'size'  10262176