======================== unified (from filesystem) ========================
                                         'bitrate'  '213.973'
                                        'duration'  '226'
                                          'artist'  'Late Night Alumni'
                                     'text_people'  ''
                                         'release'  'Kaskade - Essential Mix (2011-09-10)'
                                           'title'  'Finally Found (Max Vangeli Remix)'
                                           'quals'  ("['Q-JZFKS-1', 'Q-UNU-1', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-2', "
 "'q-play-2', 'Q-OLDST-3', 'q-chart-3', 'q-drums-4', 'q-other-3', 'q-piano-1', "
 "'q-vocals-2', 'Q-HHRNBTT-1', 'q-mixbeat-3', 'Q-LOCALNESS-1']")
                                      'lastfmtags'  "['chillout', 'house', 'lounge', 'electronic', 'downtempo']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '28'
                                      'tracktotal'  ''
                                            'date'  '2011'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-dance'
                                             'bpm'  '128.008'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Kaskade - Essential Mix (2011-09-10)'
'TBPM' (BPM (beats per minute))                     '128.008'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-dance'
'TDRC' (Recording time)                             '2011'
'TIT2' (Title/songname/content description)         'Finally Found (Max Vangeli Remix)'
'TKEY' (Initial key)                                '7A'
'TPE1' (Lead performer(s)/Soloist(s))               'Late Night Alumni'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '28'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['chillout', 'house', 'lounge', 'electronic', 'downtempo']
'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'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.61 dB'
'TXXX:replaygain_track_peak'                        '0.498799'

========================== row from database ==========================
                                              'id'  1406424
                                            'path'  /data/Music/Bulk/00poprockelectronic-generic-dance-trapbeat/essential mix/Kaskade - Essential Mix (2011-09-10)/28 - Late Night Alumni - Finally Found (Max Vangeli Remix).mp3
                                         'working'  None
                                         'bitrate'  214
                                    'duration_sec'  226
                                           'genre'  electronic-generic or radio-dance
                                        'filesize'  6060086
                                           'mtime'  1620559207
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic generic dance trapbeat essential 28 electronic generic or radio dance
                                      'tag_artist'  Late Night Alumni
                                     'tag_release'  Kaskade - Essential Mix (2011-09-10)
                                       'tag_title'  Finally Found (Max Vangeli Remix)
                                             'bpm'  128.008
                                    'search_title'  'finally':1 'found':2 'max':3,4 'remix':6,7 'vangeli':5
                                   'search_artist'  'alumni':3 'late':1 'night':2
                                  'search_release'  '09':5 '10':6 '2011':4 '20110910':7 'essential':2 'kaskade':1 'mix':3
                                     'search_rest'  '00poprockelectronic':1 '28':6 'dance':3 'electronic':7 'essential':5 'generic':2 'or':8 'radio':9 'trapbeat':4
                                    'search_combo'  '00poprockelectronic':18 '09':15C '10':16C '2011':14C '20110910':17C '28':23 'alumni':10B 'dance':20 'electronic':24 'essential':12C,22 'finally':1A 'found':2A 'generic':19 'kaskade':11C 'late':8B 'max':3A,4A 'mix':13C 'night':9B 'or':25 'radio':26 'remix':6A,7A 'trapbeat':21 'vangeli':5A
                                    'tag_tracknum'  28
                                      'num_images'  0
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', '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-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['chillout', 'house', 'lounge', 'electronic', 'downtempo']
                                        'tag_date'  2011
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620559207.0628161  (2021-05-09 13:20:07)
                             'size'  6060086