======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '290'
                                          'artist'  'DJ Mustard'
                                     'text_people'  ''
                                         'release'  'DMC Essential Club Hits: 117'
                                           'title'  "Whole Lotta Lovin' (Lemarquis Remix) (Feat. Travis Scott)"
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', "
 "'Q-HHRNBTT-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['hip-hop', 'rap', 'los angeles', 'west coast', 'california']"
                                     'discogstags'  "['hip hop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2016'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '120.03'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'DMC Essential Club Hits: 117'
'TBPM' (BPM (beats per minute))                     '120.03'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TDRC' (Recording time)                             '2016'
'TIT2' (Title/songname/content description)         "Whole Lotta Lovin' (Lemarquis Remix) (Feat. Travis Scott)"
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'DJ Mustard'
'TSSE' (Software/Hardware and settings used for encoding)  '-b="320" -freq="48000" -copyright_bit="1"'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '3'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'hip hop'
'TXXX:lastfmtags'                                   ['hip-hop', 'rap', 'los angeles', 'west coast', 'california']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.34 dB'
'TXXX:replaygain_track_peak'                        '0.450203'

========================== row from database ==========================
                                              'id'  1509533
                                            'path'  /data/Music/Bulk/00poprockelectronic/Marvin & Guy - 2015-2016/DJ Mustard - Whole Lotta Lovin_ (Lemarquis Remix) (Feat. Travis Scott).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  290
                                           'genre'  electronic-unsorted
                                        'filesize'  11630464
                                           'mtime'  1621695607
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Marvin & Guy 2015 2016 Lovin_ electronic unsorted
                                      'tag_artist'  DJ Mustard
                                     'tag_release'  DMC Essential Club Hits: 117
                                       'tag_title'  Whole Lotta Lovin' (Lemarquis Remix) (Feat. Travis Scott)
                                             'bpm'  120.03
                                    'search_title'  'feat':9,10 'lemarquis':5,6 'lotta':2 'lovin':3,4 'remix':7,8 'scott':12,13 'travis':11 'whole':1
                                   'search_artist'  'dj':1 'mustard':2
                                  'search_release'  '117':6 'club':3 'dmc':1 'essential':2 'hits':4,5
                                     'search_rest'  '00poprockelectronic':1 '2015':4 '2016':5 'electronic':7 'guy':3 'lovin':6 'marvin':2 'unsorted':8
                                    'search_combo'  '00poprockelectronic':22 '117':21C '2015':25 '2016':26 'club':18C 'dj':14B 'dmc':16C 'electronic':28 'essential':17C 'feat':9A,10A 'guy':24 'hits':19C,20C 'lemarquis':5A,6A 'lotta':2A 'lovin':3A,4A,27 'marvin':23 'mustard':15B 'remix':7A,8A 'scott':12A,13A 'travis':11A 'unsorted':29 'whole':1A
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-3', '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-3', 'q-chart-2', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['hip-hop', 'rap', 'los angeles', 'west coast', 'california']
                                        'tag_date'  2016
                                     'discogstags'  ['hip hop']

============================== file details ==============================
                                           'mtime'  1621695607.1382854  (2021-05-22 17:00:07)
                             'size'  11630464