======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '393'
                                          'artist'  'Icarus'
                                     'text_people'  ''
                                         'release'  'AlbertFM'
                                           'title'  'Home (feat. Aurora)'
                                           '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-4', 'q-busy-3', 'q-grit-2', "
 "'q-play-3', 'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', "
 "'q-vocals-2']")
                                      'lastfmtags'  "['experimental', 'idm', 'drum and bass', 'electronic', 'progressive rock']"
                                     'discogstags'  "['techno', 'electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  '1'
                                            'date'  '2016'
                                        'comments'  ''
                                           'genre'  'electronic-th-techno-minimal or deephouse'
                                             'bpm'  '124.2'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'AlbertFM'
'TBPM' (BPM (beats per minute))                     '124.2'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-techno-minimal or deephouse'
'TCOP' (Copyright message)                          ('℗ 2016 Icarus Music Limited under exclusive license to Parlophone Records '
 'Ltd, a Warner Music Group Company')
'TIT2' (Title/songname/content description)         'Home (feat. Aurora)'
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               'Icarus'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '/1'
'TRCK' (Track number/Position in set)               '/1'
'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'                                  ['techno', 'electronic']
'TXXX:lastfmtags'                                   ['experimental', 'idm', 'drum and bass', 'electronic', 'progressive rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.67 dB'
'TXXX:replaygain_track_peak'                        '0.479458'

========================== row from database ==========================
                                              'id'  1328472
                                            'path'  /data/Music/Bulk/00poprockelectronic/00techno-house-harder-beats/Varis - C_201x Techno melodic/Icarus - Home (feat. Aurora).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  393
                                           'genre'  electronic-th-techno-minimal or deephouse
                                        'filesize'  15979665
                                           'mtime'  1621085203
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00techno house harder beats Varis C_201x Techno melodic electronic th techno minimal deephouse
                                      'tag_artist'  Icarus
                                     'tag_release'  AlbertFM
                                       'tag_title'  Home (feat. Aurora)
                                             'bpm'  124.2
                                    'search_title'  'aurora':4,5 'feat':2,3 'home':1
                                   'search_artist'  'icarus':1
                                  'search_release'  'albert':2 'albertfm':1 'fm':3
                                     'search_rest'  '00poprockelectronic':1 '00techno':2 '201x':8 'beats':5 'c':7 'deephouse':14 'electronic':11 'harder':4 'house':3 'melodic':10 'minimal':13 'techno':9 'th':12 'varis':6
                                    'search_combo'  '00poprockelectronic':10 '00techno':11 '201x':17 'albert':8C 'albertfm':7C 'aurora':4A,5A 'beats':14 'c':16 'deephouse':23 'electronic':20 'feat':2A,3A 'fm':9C 'harder':13 'home':1A 'house':12 'icarus':6B 'melodic':19 'minimal':22 'techno':18 'th':21 'varis':15
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', '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-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['experimental', 'idm', 'drum and bass', 'electronic', 'progressive rock']
                                        'tag_date'  2016
                                     'discogstags'  ['techno', 'electronic']

============================== file details ==============================
                                           'mtime'  1621085203.123422  (2021-05-15 15:26:43)
                             'size'  15979665