======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '209'
                                          'artist'  "Salt 'n' Pepa"
                                     'text_people'  ''
                                         'release'  'Hits of the 80s'
                                           'title'  "Let's Talk About Sex"
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-3', 'Q-UNU-1', "
 "'Q-OLDST-3', '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-4', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['hip-hop', 'rap', '80s', 'female vocalists', 'hip hop']"
                                     'discogstags'  "['hip hop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1985'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-unsorted'
                                             'bpm'  '106.869'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Hits of the 80s'
'TBPM' (BPM (beats per minute))                     '106.869'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-unsorted'
'TDRC' (Recording time)                             '1985'
'TIT2' (Title/songname/content description)         "Let's Talk About Sex"
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               "Salt 'n' Pepa"
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'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', '80s', 'female vocalists', 'hip hop']
'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'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.44 dB'
'TXXX:replaygain_track_peak'                        '0.804622'

========================== row from database ==========================
                                              'id'  1525533
                                            'path'  /data/Music/Bulk/00poprockelectronic/Hits Of The 80_s/Salt_n Pepa - Let_s Talk About Sex.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  209
                                           'genre'  electronic-generic or radio-unsorted
                                        'filesize'  3349672
                                           'mtime'  1621695606
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Of The 80_s Salt_n Let_s electronic generic or radio unsorted
                                      'tag_artist'  Salt 'n' Pepa
                                     'tag_release'  Hits of the 80s
                                       'tag_title'  Let's Talk About Sex
                                             'bpm'  106.869
                                    'search_title'  'about':5 'let':1 'lets':3 's':2 'sex':6 'talk':4
                                   'search_artist'  'n':2,3 'pepa':4 'salt':1
                                  'search_release'  '80s':4 'hits':1 'of':2 'the':3
                                     'search_rest'  '00poprockelectronic':1 '80':4 'electronic':10 'generic':11 'let':8 'n':7 'of':2 'or':12 'radio':13 's':5,9 'salt':6 'the':3 'unsorted':14
                                    'search_combo'  '00poprockelectronic':15 '80':18 '80s':14C 'about':5A 'electronic':24 'generic':25 'hits':11C 'let':1A,22 'lets':3A 'n':8B,9B,21 'of':12C,16 'or':26 'pepa':10B 'radio':27 's':2A,19,23 'salt':7B,20 'sex':6A 'talk':4A 'the':13C,17 'unsorted':28
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-3', 'q-vocals-4', '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-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['hip-hop', 'rap', '80s', 'female vocalists', 'hip hop']
                                        'tag_date'  1985
                                     'discogstags'  ['hip hop']

============================== file details ==============================
                                           'mtime'  1621695605.644514  (2021-05-22 17:00:05)
                             'size'  3349672