======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '246'
                                          'artist'  'Jason Nevins vs. Cypress Hill'
                                     'text_people'  ''
                                         'release'  'Insane in the Brain'
                                           'title'  "Insane in the Brain (Jason's Master Blaster edit)"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'q-syn-3', 'q-bass-1', 'q-busy-3', "
 "'q-grit-2', 'q-play-2', 'Q-OLDST-3', 'q-chart-2', 'q-drums-4', 'q-other-1', "
 "'q-piano-1', 'q-vocals-3', 'Q-HHRNBTT-3', 'q-mixbeat-3', 'Q-LOCALNESS-1']")
                                      'lastfmtags'  "['usa', 'hip-hop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'hip hop or rnb or rap or turntablism'
                                             'bpm'  '85.309'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Insane in the Brain'
'TBPM' (BPM (beats per minute))                     '85.309'
'TCON' (Content type, a.k.a. Genre)                 'hip hop or rnb or rap or turntablism'
'TIT2' (Title/songname/content description)         "Insane in the Brain (Jason's Master Blaster edit)"
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Jason Nevins vs. Cypress Hill'
'TRCK' (Track number/Position in set)               '1'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '3'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['usa', 'hip-hop']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.22 dB'
'TXXX:replaygain_track_peak'                        '0.569773'

========================== row from database ==========================
                                              'id'  1346347
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/Cypress Hill__Insane in the Brain__cifs4ea6.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  246
                                           'genre'  hip hop or rnb or rap or turntablism
                                        'filesize'  3952466
                                           'mtime'  1620572767
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] Hill__Insane Brain__cifs4ea6 hip hop or rnb or rap or turntablism
                                      'tag_artist'  Jason Nevins vs. Cypress Hill
                                     'tag_release'  Insane in the Brain
                                       'tag_title'  Insane in the Brain (Jason's Master Blaster edit)
                                             'bpm'  85.309
                                    'search_title'  'blaster':9 'brain':4 'edit':10,11 'in':2 'insane':1 'jason':5 'jasons':7 'master':8 's':6 'the':3
                                   'search_artist'  'cypress':5 'hill':6 'jason':1 'nevins':2 'vs':3,4
                                  'search_release'  'brain':4 'in':2 'insane':1 'the':3
                                     'search_rest'  '00poprockelectronic':1 'brain':9 'cifs4ea6':10 'files':5,6 'hill':7 'hip':11 'hop':12 'insane':8 'loose':3,4 'or':13 'rap':15 'rnb':14 'turntablism':16 'unsorted':2
                                    'search_combo'  '00poprockelectronic':22 'blaster':9A 'brain':4A,21C,30 'cifs4ea6':31 'cypress':16B 'edit':10A,11A 'files':26,27 'hill':17B,28 'hip':32 'hop':33 'in':2A,19C 'insane':1A,18C,29 'jason':5A,12B 'jasons':7A 'loose':24,25 'master':8A 'nevins':13B 'or':34 'rap':36 'rnb':35 's':6A 'the':3A,20C 'turntablism':37 'unsorted':23 'vs':14B,15B
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-3', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['usa', 'hip-hop']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620572767.3562632  (2021-05-09 17:06:07)
                             'size'  3952466