======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '378'
                                          'artist'  'Helena Hauff'
                                     'text_people'  ''
                                         'release'  'maleta  acid rave'
                                           'title'  ''
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'Q-GRIT-3', 'q-bass-2', 'q-drums-4', 'q-other-1', 'q-piano-1', "
 "'q-vocals-1', 'Q-SYN-4', 'Q-BUSY-3', 'Q-PLAY-2', 'Q-CHART-2', 'Q-MIXBEAT-3']")
                                      'lastfmtags'  "['techno', 'electronic', 'experimental', 'electro', 'acid techno']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  '6'
                                            'date'  '2014'
                                        'comments'  ''
                                           'genre'  'electronic-th-techno-acid'
                                             'bpm'  '100.3'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::rus'                                         'mymodern'
'TALB' (Album/Movie/Show title)                     'maleta  acid rave'
'TBPM' (BPM (beats per minute))                     '100.3'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-techno-acid'
'TDRC' (Recording time)                             '2014'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Helena Hauff'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '6/6'
'TXXX:Q-BUSY'                                       '3'
'TXXX:Q-CHART'                                      '2'
'TXXX:Q-GRIT'                                       '3'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-MIXBEAT'                                    '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-SYN'                                        '4'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['techno', 'electronic', 'experimental', 'electro', 'acid techno']
'TXXX:q-bass'                                       '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.37 dB'
'TXXX:replaygain_track_peak'                        '0.481503'

========================== row from database ==========================
                                              'id'  1484942
                                            'path'  /data/Music/Bulk/00poprockelectronic/maleta__ acid rave/helena hauff - sea shore acid.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  378
                                           'genre'  electronic-th-techno-acid
                                        'filesize'  15288754
                                           'mtime'  1620573775
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic maleta__ helena hauff sea shore electronic th techno
                                      'tag_artist'  Helena Hauff
                                     'tag_release'  maleta  acid rave
                                       'tag_title'  None
                                             'bpm'  100.3
                                    'search_title'  None
                                   'search_artist'  'hauff':2 'helena':1
                                  'search_release'  'acid':2 'maleta':1 'rave':3
                                     'search_rest'  '00poprockelectronic':1 'electronic':7 'hauff':4 'helena':3 'maleta':2 'sea':5 'shore':6 'techno':9 'th':8
                                    'search_combo'  '00poprockelectronic':6 'acid':4C 'electronic':12 'hauff':2B,9 'helena':1B,8 'maleta':3C,7 'rave':5C 'sea':10 'shore':11 'techno':14 'th':13
                                    'tag_tracknum'  6
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'Q-MIXBEAT-3', 'Q-OLDST-3', 'Q-GRIT-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-CHART-2', 'q-drums-4', 'q-piano-1', 'Q-SYN-4', 'q-other-1', 'Q-BUSY-3', 'Q-HAP-2', 'Q-PLAY-2', 'q-bass-2']
                                      'lastfmtags'  ['techno', 'electronic', 'experimental', 'electro', 'acid techno']
                                        'tag_date'  2014
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620573774.8588498  (2021-05-09 17:22:54)
                             'size'  15288754