======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '646'
                                          'artist'  'Valentin Stip'
                                     'text_people'  ''
                                         'release'  'Anytime Will Do EP'
                                           'title'  'Gravels (I & II)'
                                           'quals'  ("['Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', 'q-mixbeat-2']")
                                      'lastfmtags'  "['ambient', 'electronic', 'idm', 'minimal', 'downtempo']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  '4'
                                            'date'  '2011'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '120.3'
                                             'key'  '11A'
                                        'acoustid'  ''
rest: ''

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

'APIC:Cover Image'                                  type PictureType.COVER_FRONT (Cover (front)) b'Cover Image'
                                     
'TALB' (Album/Movie/Show title)                     'Anytime Will Do EP'
'TBPM' (BPM (beats per minute))                     '120.3'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TCOP' (Copyright message)                          'Nicolas Jaar'
'TDRC' (Recording time)                             '2011-06-27'
'TIT2' (Title/songname/content description)         'Gravels (I & II)'
'TKEY' (Initial key)                                '11A'
'TPE1' (Lead performer(s)/Soloist(s))               'Valentin Stip'
'TPE2' (Band/orchestra/accompaniment)               'Valentin Stip'
'TPUB' (Publisher)                                  'Clown & Sunset'
'TRCK' (Track number/Position in set)               '3/4'
'TSRC' (ISRC (international standard recording code))  'FR-6V8-06-83493'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['ambient', 'electronic', 'idm', 'minimal', 'downtempo']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.17 dB'
'TXXX:replaygain_track_peak'                        '0.424843'
'UFID:artwork guid'                                 UFID(owner='artwork guid', data=b'3DE3448B-CC47-8DF2-DE7D-2936261961C7')
'UFID:catalogue number'                             UFID(owner='catalogue number', data=b'CS 006')
'WPUB' (Publishers official webpage)                WPUB(url='Clown & Sunset')

========================== row from database ==========================
                                              'id'  770226
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Elektronikzeugs/Valentin_Stip_-_Gravels_(I___II)_320.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  646
                                           'genre'  electronic-unsorted
                                        'filesize'  25929896
                                           'mtime'  1620536703
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm Elektronikzeugs Valentin_Stip_ _Gravels_(I___II)_320 electronic unsorted
                                      'tag_artist'  Valentin Stip
                                     'tag_release'  Anytime Will Do EP
                                       'tag_title'  Gravels (I & II)
                                             'bpm'  120.3
                                    'search_title'  'gravels':1 'i':2,3 'ii':4,5
                                   'search_artist'  'stip':2 'valentin':1
                                  'search_release'  'anytime':1 'do':3 'ep':4 'will':2
                                     'search_rest'  '320':7,11 'electronic':12 'elektronikzeugs':1 'gravels':4,8 'i':5,9 'ii':6,10 'stip':3 'unsorted':13 'valentin':2
                                    'search_combo'  '320':18,22 'anytime':8C 'do':10C 'electronic':23 'elektronikzeugs':12 'ep':11C 'gravels':1A,15,19 'i':2A,3A,16,20 'ii':4A,5A,17,21 'stip':7B,14 'unsorted':24 'valentin':6B,13 'will':9C
                                    'tag_tracknum'  3
                                      'num_images'  1
                                             'key'  11A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['ambient', 'electronic', 'idm', 'minimal', 'downtempo']
                                        'tag_date'  2011
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620536702.6341844  (2021-05-09 07:05:02)
                             'size'  25929896