======================== unified (from filesystem) ========================
                                         'bitrate'  '112.0'
                                        'duration'  '214'
                                          'artist'  'Freak Nasty'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Da Dip (1997)'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'Q-UNU-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['miami bass', 'hip-hop', 'rap', 'dance', '90s']"
                                     'discogstags'  "['hip hop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '0'
                                      'tracktotal'  ''
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-unsorted;set-pl-billboard'
                                             'bpm'  '131.584'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '131.584'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-generic or radio-unsorted', 'set-pl-billboard']
'TDRC' (Recording time)                             '1995'
'TIT2' (Title/songname/content description)         'Da Dip (1997)'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Freak Nasty'
'TRCK' (Track number/Position in set)               '0'
'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'                                  'hip hop'
'TXXX:lastfmtags'                                   ['miami bass', 'hip-hop', 'rap', 'dance', '90s']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-2.53 dB'
'TXXX:replaygain_track_peak'                        '0.753650'
'TXXX:tracknum'                                     '167'

========================== row from database ==========================
                                              'id'  1328253
                                            'path'  /data/Music/Bulk/00poprockelectronic/90s/167 - Freak Nasty - Da Dip (1997).mp3
                                         'working'  None
                                         'bitrate'  112
                                    'duration_sec'  214
                                           'genre'  electronic-generic or radio-unsorted;set-pl-billboard
                                        'filesize'  3010491
                                           'mtime'  1621696035
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 90s 167 electronic generic or radio unsorted;set pl billboard
                                      'tag_artist'  Freak Nasty
                                     'tag_release'  None
                                       'tag_title'  Da Dip (1997)
                                             'bpm'  131.584
                                    'search_title'  '1997':3,4 'da':1 'dip':2
                                   'search_artist'  'freak':1 'nasty':2
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 '167':3 '90s':2 'billboard':13 'electronic':4 'generic':5 'or':6 'pl':12 'radio':7 'set':9,11 'unsorted':8,10
                                    'search_combo'  '00poprockelectronic':7 '167':9 '1997':3A,4A '90s':8 'billboard':19 'da':1A 'dip':2A 'electronic':10 'freak':5B 'generic':11 'nasty':6B 'or':12 'pl':18 'radio':13 'set':15,17 'unsorted':14,16
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-3', 'q-other-1', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['miami bass', 'hip-hop', 'rap', 'dance', '90s']
                                        'tag_date'  1995
                                     'discogstags'  ['hip hop']

============================== file details ==============================
                                           'mtime'  1621696035.3338912  (2021-05-22 17:07:15)
                             'size'  3010491