======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '317'
                                          'artist'  'E-Z Rollers'
                                     'text_people'  ''
                                         'release'  'Weekend World'
                                           'title'  'Diff Step'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-3', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-4']")
                                      'lastfmtags'  "['drum and bass', 'electronic', 'jungle', 'drum n bass', 'dnb']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  ''
                                            'date'  '1999'
                                        'comments'  ''
                                           'genre'  'electronic-th-breakbeat or dnb or jungle'
                                             'bpm'  '114.673'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Weekend World'
'TBPM' (BPM (beats per minute))                     '114.673'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-th-breakbeat or dnb or jungle',
 'electronic-th-breakbeat or dnb or jungle']
'TDRC' (Recording time)                             '1999'
'TIT2' (Title/songname/content description)         'Diff Step'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'E-Z Rollers'
'TRCK' (Track number/Position in set)               '10'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['drum and bass', 'electronic', 'jungle', 'drum n bass', 'dnb']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '4'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.25 dB'
'TXXX:replaygain_track_peak'                        '0.495726'

========================== row from database ==========================
                                              'id'  1347856
                                            'path'  /data/Music/Bulk/00poprockelectronic/00dnb/E-Z Rollers/EZ Rollers - Weekend World/E-Z Rollers - Diff Step (Weekend World).mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  317
                                           'genre'  electronic-th-breakbeat or dnb or jungle
                                        'filesize'  6357714
                                           'mtime'  1621696509
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00dnb EZ (Weekend World) electronic th breakbeat dnb jungle
                                      'tag_artist'  E-Z Rollers
                                     'tag_release'  Weekend World
                                       'tag_title'  Diff Step
                                             'bpm'  114.673
                                    'search_title'  'diff':1 'step':2
                                   'search_artist'  'e':1 'ez':3 'rollers':4 'z':2
                                  'search_release'  'weekend':1 'world':2
                                     'search_rest'  '00dnb':2 '00poprockelectronic':1 'breakbeat':10 'dnb':11 'electronic':8 'ez':3 'jungle':12 'th':9 'weekend':4,5 'world':6,7
                                    'search_combo'  '00dnb':10 '00poprockelectronic':9 'breakbeat':18 'diff':1A 'dnb':19 'e':3B 'electronic':16 'ez':5B,11 'jungle':20 'rollers':6B 'step':2A 'th':17 'weekend':7C,12,13 'world':8C,14,15 'z':4B
                                    'tag_tracknum'  10
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-4', '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-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-3']
                                      'lastfmtags'  ['drum and bass', 'electronic', 'jungle', 'drum n bass', 'dnb']
                                        'tag_date'  1999
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1621696508.8161354  (2021-05-22 17:15:08)
                             'size'  6357714