======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '483'
                                          'artist'  'Clean Bandit'
                                     'text_people'  ''
                                         'release'  'A+E'
                                           'title'  'A+E (alexis raphael remix)'
                                           '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-1', 'q-piano-1', "
 "'q-vocals-1']")
                                      'lastfmtags'  "['indie', 'pop', 'electronica', 'british', 'electronic', 'experimental']"
                                     'discogstags'  "['synth-pop', 'dance-pop', 'electro house', 'electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  ''
                                            'date'  '2012'
                                        'comments'  ''
                                           'genre'  'electronic-th-techno-minimal or deephouse'
                                             'bpm'  '119.9'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'A+E'
'TBPM' (BPM (beats per minute))                     '119.9'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-techno-minimal or deephouse'
'TDRC' (Recording time)                             '2012'
'TIT2' (Title/songname/content description)         'A+E (alexis raphael remix)'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Clean Bandit'
'TRCK' (Track number/Position in set)               '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-UNU'                                        '1'
'TXXX:discogstags'                                  ['synth-pop', 'dance-pop', 'electro house', 'electronic']
'TXXX:lastfmtags'                                   ['indie', 'pop', 'electronica', 'british', 'electronic', 'experimental']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.41 dB'
'TXXX:replaygain_track_peak'                        '0.400772'

========================== row from database ==========================
                                              'id'  1357944
                                            'path'  /data/Music/Bulk/00poprockelectronic/deep house/a+e (alexis raphael remix).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  483
                                           'genre'  electronic-th-techno-minimal or deephouse
                                        'filesize'  20282346
                                           'mtime'  1621085304
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic deep house a+e electronic th techno minimal or deephouse
                                      'tag_artist'  Clean Bandit
                                     'tag_release'  A+E
                                       'tag_title'  A+E (alexis raphael remix)
                                             'bpm'  119.9
                                    'search_title'  'a':1 'alexis':3,4 'e':2 'raphael':5 'remix':6,7
                                   'search_artist'  'bandit':2 'clean':1
                                  'search_release'  'a':1 'e':2
                                     'search_rest'  '00poprockelectronic':1 'a':4 'deep':2 'deephouse':11 'e':5 'electronic':6 'house':3 'minimal':9 'or':10 'techno':8 'th':7
                                    'search_combo'  '00poprockelectronic':12 'a':1A,10C,15 'alexis':3A,4A 'bandit':9B 'clean':8B 'deep':13 'deephouse':22 'e':2A,11C,16 'electronic':17 'house':14 'minimal':20 'or':21 'raphael':5A 'remix':6A,7A 'techno':19 'th':18
                                    'tag_tracknum'  3
                                      'num_images'  1
                                             'key'  6A
                                           '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-1', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'pop', 'electronica', 'british', 'electronic', 'experimental']
                                        'tag_date'  2012
                                     'discogstags'  ['synth-pop', 'dance-pop', 'electro house', 'electronic']

============================== file details ==============================
                                           'mtime'  1621085303.631043  (2021-05-15 15:28:23)
                             'size'  20282346