======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '429'
                                          'artist'  'WhoMadeWho'
                                     'text_people'  ''
                                         'release'  'AlbertFM'
                                           'title'  'Hi & Low (Konstantin Sibold Acid Mix)'
                                           'quals'  ("['Q-MIXBEAT-3', 'Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-JZFKS-1', 'Q-OLDST-3', 'q-syn-3', 'q-bass-1', 'q-busy-3', 'q-grit-2', "
 "'q-play-3', 'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', "
 "'q-vocals-1']")
                                      'lastfmtags'  "['indie', 'danish', 'electroclash', 'electropop', 'electronic']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2016'
                                        'comments'  ''
                                           'genre'  'electronic-th-techno-minimal or deephouse'
                                             'bpm'  '126.0'
                                             'key'  '5B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'AlbertFM'
'TBPM' (BPM (beats per minute))                     '126.0'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-techno-minimal or deephouse'
'TIT2' (Title/songname/content description)         'Hi & Low (Konstantin Sibold Acid Mix)'
'TKEY' (Initial key)                                '5B'
'TPE1' (Lead performer(s)/Soloist(s))               'WhoMadeWho'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TXXX:DATE'                                         '2016'
'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-UNU'                                        '1'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['indie', 'danish', 'electroclash', 'electropop', 'electronic']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+4.74 dB'
'TXXX:replaygain_track_peak'                        '0.201037'

========================== row from database ==========================
                                              'id'  1361861
                                            'path'  /data/Music/Bulk/00poprockelectronic/00techno-house-harder-beats/Varis - C_201x Techno melodic/WhoMadeWho - Hi & Low (Konstantin Sibold Acid Mix).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  429
                                           'genre'  electronic-th-techno-minimal or deephouse
                                        'filesize'  17190600
                                           'mtime'  1621085215
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00techno house harder beats Varis C_201x Techno melodic electronic th techno minimal or deephouse
                                      'tag_artist'  WhoMadeWho
                                     'tag_release'  AlbertFM
                                       'tag_title'  Hi & Low (Konstantin Sibold Acid Mix)
                                             'bpm'  126.0
                                    'search_title'  'acid':6 'hi':1 'konstantin':3,4 'low':2 'mix':7,8 'sibold':5
                                   'search_artist'  'made':3 'who':2 'whomadewho':1
                                  'search_release'  'albert':2 'albertfm':1 'fm':3
                                     'search_rest'  '00poprockelectronic':1 '00techno':2 '201x':8 'beats':5 'c':7 'deephouse':15 'electronic':11 'harder':4 'house':3 'melodic':10 'minimal':13 'or':14 'techno':9 'th':12 'varis':6
                                    'search_combo'  '00poprockelectronic':15 '00techno':16 '201x':22 'acid':6A 'albert':13C 'albertfm':12C 'beats':19 'c':21 'deephouse':29 'electronic':25 'fm':14C 'harder':18 'hi':1A 'house':17 'konstantin':3A,4A 'low':2A 'made':11B 'melodic':24 'minimal':27 'mix':7A,8A 'or':28 'sibold':5A 'techno':23 'th':26 'varis':20 'who':10B 'whomadewho':9B
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  5B
                                           'quals'  ['Q-HHRNBTT-1', '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-2', 'q-other-2', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'danish', 'electroclash', 'electropop', 'electronic']
                                        'tag_date'  2016
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1621085215.3055098  (2021-05-15 15:26:55)
                             'size'  17190600