======================== unified (from filesystem) ========================
                                         'bitrate'  '174.33'
                                        'duration'  '250'
                                          'artist'  'Red Hot Chili Peppers'
                                     'text_people'  ''
                                         'release'  'The Getaway'
                                           'title'  'The Getaway'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-OLDST-2', "
 "'Q-LOCALNESS-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-4', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['alternative rock', 'funk rock', 'alternative', 'funk', 'rock']"
                                     'discogstags'  "['funk', 'rock', 'funk / soul']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  '13'
                                            'date'  '2016'
                                        'comments'  ''
                                           'genre'  'funk or soul'
                                             'bpm'  '113.900'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'The Getaway'
'TBPM' (BPM (beats per minute))                     '113.900'
'TCON' (Content type, a.k.a. Genre)                 'funk or soul'
'TCOP' (Copyright message)                          '℗ 2016 Warner Bros. Records Inc.'
'TDRC' (Recording time)                             '2016'
'TIT2' (Title/songname/content description)         'The Getaway'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Red Hot Chili Peppers'
'TPE2' (Band/orchestra/accompaniment)               'Red Hot Chili Peppers'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '1/13'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['funk', 'rock', 'funk / soul']
'TXXX:iTunMOVI'                                     ('<?xml version="1.0" encoding="UTF-8"?>\n'
 '<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" '
 '"http://www.apple.com/DTDs/PropertyList-1.0.dtd">\n'
 '<plist version="1.0">\n'
 '<dict>\n'
 '\t<key>asset-info</key>\n'
 '\t<dict>\n'
 '\t\t<key>file-size</key>\n'
 '\t\t<integer>8793815</integer>\n'
 '\t\t<key>flavor</key>\n'
 '\t\t<string>2:256</string>\n'
 '\t</dict>\n'
 '</dict>\n'
 '</plist>\n')
'TXXX:lastfmtags'                                   ['alternative rock', 'funk rock', 'alternative', 'funk', 'rock']
'TXXX:purchaseaccount'                              '32dman32@gmail.com'
'TXXX:purchasedate'                                 '2016-05-27 03:13:27'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.60 dB'
'TXXX:replaygain_track_peak'                        '0.380579'

========================== row from database ==========================
                                              'id'  1343063
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/01 The Getaway.mp3
                                         'working'  None
                                         'bitrate'  174
                                    'duration_sec'  250
                                           'genre'  funk or soul
                                        'filesize'  5847124
                                           'mtime'  1628357937
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] 01 funk or soul
                                      'tag_artist'  Red Hot Chili Peppers
                                     'tag_release'  The Getaway
                                       'tag_title'  The Getaway
                                             'bpm'  113.9
                                    'search_title'  'getaway':2 'the':1
                                   'search_artist'  'chili':3 'hot':2 'peppers':4 'red':1
                                  'search_release'  'getaway':2 'the':1
                                     'search_rest'  '00poprockelectronic':1 'files':5,6 'funk':7 'loose':3,4 'or':8 'soul':9 'unsorted':2
                                    'search_combo'  '00poprockelectronic':9 'chili':5B 'files':13,14 'funk':15 'getaway':2A,8C 'hot':4B 'loose':11,12 'or':16 'peppers':6B 'red':3B 'soul':17 'the':1A,7C 'unsorted':10
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-4', 'q-other-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['alternative rock', 'funk rock', 'alternative', 'funk', 'rock']
                                        'tag_date'  2016
                                     'discogstags'  ['funk', 'rock', 'funk / soul']

============================== file details ==============================
                                           'mtime'  1628357936.8373291  (2021-08-07 19:38:56)
                             'size'  5847124