======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '106'
                                          'artist'  'Zhou'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  "'Noboru' (Punch Drunk Records) Clip"
                                           'quals'  ("['Q-MIXBEAT-3', 'Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-JZFKS-1', 'Q-OLDST-3', 'q-syn-4', 'q-bass-4', 'q-busy-3', 'q-grit-2', "
 "'q-play-3', 'q-chart-1', 'q-drums-1', 'q-other-1', 'q-piano-1', "
 "'q-vocals-1']")
                                      'lastfmtags'  "['downtempo', 'dubstep', 'bass', 'bristol', '2 step']"
                                     'discogstags'  "['electronic', 'dubstep']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2015'
                                        'comments'  ''
                                           'genre'  'electronic-th-techno-minimal or deephouse'
                                             'bpm'  '141.5'
                                             'key'  '5B'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '141.5'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-techno-minimal or deephouse'
'TDRC' (Recording time)                             '2015'
'TIT2' (Title/songname/content description)         "'Noboru' (Punch Drunk Records) Clip"
'TKEY' (Initial key)                                '5B'
'TPE1' (Lead performer(s)/Soloist(s))               'Zhou'
'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', 'dubstep']
'TXXX:lastfmtags'                                   ['downtempo', 'dubstep', 'bass', 'bristol', '2 step']
'TXXX:other'                                        '26313123'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '4'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.71 dB'
'TXXX:replaygain_track_peak'                        '0.943672'

========================== row from database ==========================
                                              'id'  1519606
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/soundcloud/punchdrunkrecords/Zhou _Noboru_ (Punch Drunk Records) Clip-26313123.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  106
                                           'genre'  electronic-th-techno-minimal or deephouse
                                        'filesize'  1703639
                                           'mtime'  1621085005
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm soundcloud punchdrunkrecords _Noboru_ 26313123 electronic th techno minimal deephouse
                                      'tag_artist'  Zhou
                                     'tag_release'  None
                                       'tag_title'  'Noboru' (Punch Drunk Records) Clip
                                             'bpm'  141.5
                                    'search_title'  'clip':8 'drunk':5 'noboru':1,2 'punch':3,4 'records':6,7
                                   'search_artist'  'zhou':1
                                  'search_release'  
                                     'search_rest'  '26313123':4 'deephouse':9 'electronic':5 'minimal':8 'noboru':3 'punchdrunkrecords':2 'soundcloud':1 'techno':7 'th':6
                                    'search_combo'  '26313123':13 'clip':8A 'deephouse':18 'drunk':5A 'electronic':14 'minimal':17 'noboru':1A,2A,12 'punch':3A,4A 'punchdrunkrecords':11 'records':6A,7A 'soundcloud':10 'techno':16 'th':15 'zhou':9B
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             '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-1', 'q-syn-4', 'q-chart-1', 'q-other-1', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['downtempo', 'dubstep', 'bass', 'bristol', '2 step']
                                        'tag_date'  2015
                                     'discogstags'  ['electronic', 'dubstep']

============================== file details ==============================
                                           'mtime'  1621085004.5364664  (2021-05-15 15:23:24)
                             'size'  1703639