======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '216'
                                          'artist'  'Big Fun'
                                     'text_people'  ''
                                         'release'  'Sounds of the 80s'
                                           'title'  'Blame It On The Boogie'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'q-syn-3', "
 "'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-3', 'q-drums-4', "
 "'q-other-2', 'q-piano-1', 'q-vocals-3', 'Q-HHRNBTT-1', 'q-mixbeat-3']")
                                      'lastfmtags'  "['dance', 'pop', 'british', 'disco', '80s']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1985'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '117.398'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Sounds of the 80s'
'TBPM' (BPM (beats per minute))                     '117.398'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TDRC' (Recording time)                             '1985'
'TIT2' (Title/songname/content description)         'Blame It On The Boogie'
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'Big Fun'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'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'                                   ['dance', 'pop', 'british', 'disco', '80s']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.79 dB'
'TXXX:replaygain_track_peak'                        '0.544745'

========================== row from database ==========================
                                              'id'  1523797
                                            'path'  /data/Music/Bulk/00poprockelectronic-generic-dance-trapbeat/Sounds Of The 80s (480 songs)/Big Fun - Blame It On The Boogie.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  216
                                           'genre'  electronic-unsorted
                                        'filesize'  3467160
                                           'mtime'  1621626812
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic generic dance trapbeat Of (480 songs) electronic unsorted
                                      'tag_artist'  Big Fun
                                     'tag_release'  Sounds of the 80s
                                       'tag_title'  Blame It On The Boogie
                                             'bpm'  117.398
                                    'search_title'  'blame':1 'boogie':5 'it':2 'on':3 'the':4
                                   'search_artist'  'big':1 'fun':2
                                  'search_release'  '80s':4 'of':2 'sounds':1 'the':3
                                     'search_rest'  '00poprockelectronic':1 '480':6,7 'dance':3 'electronic':10 'generic':2 'of':5 'songs':8,9 'trapbeat':4 'unsorted':11
                                    'search_combo'  '00poprockelectronic':12 '480':17,18 '80s':11C 'big':6B 'blame':1A 'boogie':5A 'dance':14 'electronic':21 'fun':7B 'generic':13 'it':2A 'of':9C,16 'on':3A 'songs':19,20 'sounds':8C 'the':4A,10C 'trapbeat':15 'unsorted':22
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', '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-3', 'q-other-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['dance', 'pop', 'british', 'disco', '80s']
                                        'tag_date'  1985
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621626811.5848951  (2021-05-21 21:53:31)
                             'size'  3467160