======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '533'
                                          'artist'  'Automation UK'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'British Steel (Alex Smoke Remix 1)'
                                           '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-3', 'q-busy-3', 'q-grit-2', "
 "'q-play-3', 'q-chart-1', 'q-drums-4', 'q-other-1', 'q-piano-1', "
 "'q-vocals-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2015'
                                        'comments'  ''
                                           'genre'  'electronic-th-techno-minimal or deephouse'
                                             'bpm'  '130.1'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '130.1'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-techno-minimal or deephouse'
'TDRC' (Recording time)                             '2015'
'TIT2' (Title/songname/content description)         'British Steel (Alex Smoke Remix 1)'
'TKEY' (Initial key)                                '11B'
'TPE1' (Lead performer(s)/Soloist(s))               'Automation UK'
'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:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'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'                        '-2.79 dB'
'TXXX:replaygain_track_peak'                        '0.840574'

========================== row from database ==========================
                                              'id'  940587
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/soundcloud/alexsmoke/Automaton UK-British Steel (Alex Smoke Remix 1)-3703527.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  533
                                           'genre'  electronic-th-techno-minimal or deephouse
                                        'filesize'  8533564
                                           'mtime'  1621084964
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm soundcloud alexsmoke Automaton 3703527 electronic th techno minimal or deephouse
                                      'tag_artist'  Automation UK
                                     'tag_release'  None
                                       'tag_title'  British Steel (Alex Smoke Remix 1)
                                             'bpm'  130.1
                                    'search_title'  '1':7,8 'alex':3,4 'british':1 'remix':6 'smoke':5 'steel':2
                                   'search_artist'  'automation':1 'uk':2
                                  'search_release'  
                                     'search_rest'  '3703527':4 'alexsmoke':2 'automaton':3 'deephouse':10 'electronic':5 'minimal':8 'or':9 'soundcloud':1 'techno':7 'th':6
                                    'search_combo'  '1':7A,8A '3703527':14 'alex':3A,4A 'alexsmoke':12 'automation':9B 'automaton':13 'british':1A 'deephouse':20 'electronic':15 'minimal':18 'or':19 'remix':6A 'smoke':5A 'soundcloud':11 'steel':2A 'techno':17 'th':16 'uk':10B
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  11B
                                           '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-1', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  2015
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621084963.5554223  (2021-05-15 15:22:43)
                             'size'  8533564