======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '207'
                                          'artist'  'dabp'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  "I Didn't Start This War [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-3', "
 "'q-play-3', 'q-chart-1', 'q-drums-4', 'q-other-3', 'q-piano-1', "
 "'q-vocals-1']")
                                      'lastfmtags'  "['dance', 'drum and bass', 'electronic', 'liquid']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2015'
                                        'comments'  ''
                                           'genre'  'electronic-th-techno-minimal or deephouse'
                                             'bpm'  '139.3'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '139.3'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-techno-minimal or deephouse'
'TDRC' (Recording time)                             '2015'
'TIT2' (Title/songname/content description)         "I Didn't Start This War [clip]"
'TKEY' (Initial key)                                '4A'
'TPE1' (Lead performer(s)/Soloist(s))               'dabp'
'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:lastfmtags'                                   ['dance', 'drum and bass', 'electronic', 'liquid']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '4'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.69 dB'
'TXXX:replaygain_track_peak'                        '0.614658'

========================== row from database ==========================
                                              'id'  1521865
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/soundcloud/dabp/dabp - I Didn_t Start This War [clip]-49997248.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  207
                                           'genre'  electronic-th-techno-minimal or deephouse
                                        'filesize'  3319933
                                           'mtime'  1621084978
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm soundcloud Didn_t 49997248 electronic th techno minimal or deephouse
                                      'tag_artist'  dabp
                                     'tag_release'  None
                                       'tag_title'  I Didn't Start This War [clip]
                                             'bpm'  139.3
                                    'search_title'  'clip':8,9 'didn':2 'didnt':4 'i':1 'start':5 't':3 'this':6 'war':7
                                   'search_artist'  'dabp':1
                                  'search_release'  
                                     'search_rest'  '49997248':4 'deephouse':10 'didn':2 'electronic':5 'minimal':8 'or':9 'soundcloud':1 't':3 'techno':7 'th':6
                                    'search_combo'  '49997248':14 'clip':8A,9A 'dabp':10B 'deephouse':20 'didn':2A,12 'didnt':4A 'electronic':15 'i':1A 'minimal':18 'or':19 'soundcloud':11 'start':5A 't':3A,13 'techno':17 'th':16 'this':6A 'war':7A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  4A
                                           '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-4', 'q-chart-1', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-3']
                                      'lastfmtags'  ['dance', 'drum and bass', 'electronic', 'liquid']
                                        'tag_date'  2015
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621084977.8153415  (2021-05-15 15:22:57)
                             'size'  3319933