======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '348'
                                          'artist'  'George Michael & Elton John'
                                     'text_people'  ''
                                         'release'  'gay top 100'
                                           'title'  "Don't Let The Sun Go Down On Me"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', "
 "'q-grit-2', 'q-play-2', 'Q-OLDST-3', 'q-chart-3', 'q-drums-3', 'q-other-3', "
 "'q-piano-1', 'q-vocals-3', 'Q-HHRNBTT-1', 'q-mixbeat-2', 'Q-LOCALNESS-1']")
                                      'lastfmtags'  "['pop', 'british', 'duets', 'george michael and elton john', '90s']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1347'
                                      'tracktotal'  ''
                                            'date'  '1991'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-unsorted'
                                             'bpm'  '139.370'
                                             'key'  '8B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'gay top 100'
'TBPM' (BPM (beats per minute))                     '139.370'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-unsorted'
'TDRC' (Recording time)                             '1991'
'TIT2' (Title/songname/content description)         "Don't Let The Sun Go Down On Me"
'TKEY' (Initial key)                                '8B'
'TPE1' (Lead performer(s)/Soloist(s))               'George Michael & Elton John'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '1347'
'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:lastfmtags'                                   ['pop', 'british', 'duets', 'george michael and elton john', '90s']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.31 dB'
'TXXX:replaygain_track_peak'                        '0.536556'

========================== row from database ==========================
                                              'id'  1504190
                                            'path'  /data/Music/Bulk/00poprockelectronic/gay top 100 - 2015/030 - George Michael & Elton John - Don_t Let The Sun Go Down On Me.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  348
                                           'genre'  electronic-generic or radio-unsorted
                                        'filesize'  13973136
                                           'mtime'  1628353547
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 2015 030 Don_t electronic generic radio unsorted
                                      'tag_artist'  George Michael & Elton John
                                     'tag_release'  gay top 100
                                       'tag_title'  Don't Let The Sun Go Down On Me
                                             'bpm'  139.37
                                    'search_title'  'don':1 'dont':3 'down':8 'go':7 'let':4 'me':10 'on':9 'sun':6 't':2 'the':5
                                   'search_artist'  'elton':3 'george':1 'john':4 'michael':2
                                  'search_release'  '100':3 'gay':1 'top':2
                                     'search_rest'  '00poprockelectronic':1 '2015':2 'don':3 'electronic':5 'generic':6 'radio':7 't':4 'unsorted':8
                                    'search_combo'  '00poprockelectronic':18 '100':17C '2015':19 'don':1A,20 'dont':3A 'down':8A 'electronic':22 'elton':13B 'gay':15C 'generic':23 'george':11B 'go':7A 'john':14B 'let':4A 'me':10A 'michael':12B 'on':9A 'radio':24 'sun':6A 't':2A,21 'the':5A 'top':16C 'unsorted':25
                                    'tag_tracknum'  1347
                                      'num_images'  0
                                             'key'  8B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-3', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['pop', 'british', 'duets', 'george michael and elton john', '90s']
                                        'tag_date'  1991
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1628353546.8117242  (2021-08-07 18:25:46)
                             'size'  13973136