======================== unified (from filesystem) ========================
                                         'bitrate'  '205.426'
                                        'duration'  '294'
                                          'artist'  'Kaskade vs. Tiesto, Hardwell, EDX, & Marco V'
                                     'text_people'  ''
                                         'release'  'Kaskade - Essential Mix (2011-09-10)'
                                           'title'  'Angel On My Shoulder Reaver 76 (Kaskade Mashup)'
                                           'quals'  ("['Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-UNU-1', "
 "'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-3', "
 "'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-2', 'q-mixbeat-3']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '04'
                                      'tracktotal'  ''
                                            'date'  '2011'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-dance'
                                             'bpm'  '127.927'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Kaskade - Essential Mix (2011-09-10)'
'TBPM' (BPM (beats per minute))                     '127.927'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-dance'
'TDRC' (Recording time)                             '2011'
'TIT2' (Title/songname/content description)         'Angel On My Shoulder Reaver 76 (Kaskade Mashup)'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Kaskade vs. Tiesto, Hardwell, EDX, & Marco V'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '04'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '4'
'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'                                     '2'
'TXXX:replaygain_track_gain'                        '-2.36 dB'
'TXXX:replaygain_track_peak'                        '0.483967'

========================== row from database ==========================
                                              'id'  1405545
                                            'path'  /data/Music/Bulk/00poprockelectronic-generic-dance-trapbeat/essential mix/Kaskade - Essential Mix (2011-09-10)/04 - Kaskade vs. Tiesto, Hardwell, EDX, & Marco V - Angel On My Shoulder Reaver 76 (Kaskade Mashup).mp3
                                         'working'  None
                                         'bitrate'  205
                                    'duration_sec'  294
                                           'genre'  electronic-generic or radio-dance
                                        'filesize'  7564827
                                           'mtime'  1620559189
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic generic dance trapbeat essential mix 04 electronic generic or radio dance
                                      'tag_artist'  Kaskade vs. Tiesto, Hardwell, EDX, & Marco V
                                     'tag_release'  Kaskade - Essential Mix (2011-09-10)
                                       'tag_title'  Angel On My Shoulder Reaver 76 (Kaskade Mashup)
                                             'bpm'  127.927
                                    'search_title'  '76':6 'angel':1 'kaskade':7,8 'mashup':9,10 'my':3 'on':2 'reaver':5 'shoulder':4
                                   'search_artist'  'edx':8,9 'hardwell':6,7 'kaskade':1 'marco':10 'tiesto':4,5 'v':11 'vs':2,3
                                  'search_release'  '09':5 '10':6 '2011':4 '20110910':7 'essential':2 'kaskade':1 'mix':3
                                     'search_rest'  '00poprockelectronic':1 'dance':3 'electronic':7 'essential':5 'generic':2 'mix':6 'or':8 'radio':9 'trapbeat':4
                                    'search_combo'  '00poprockelectronic':29 '09':26C '10':27C '2011':25C '20110910':28C '76':6A 'angel':1A 'dance':31 'edx':18B,19B 'electronic':35 'essential':23C,33 'generic':30 'hardwell':16B,17B 'kaskade':7A,8A,11B,22C 'marco':20B 'mashup':9A,10A 'mix':24C,34 'my':3A 'on':2A 'or':36 'radio':37 'reaver':5A 'shoulder':4A 'tiesto':14B,15B 'trapbeat':32 'v':21B 'vs':12B,13B
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  8A
                                           '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-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  2011
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620559189.4645736  (2021-05-09 13:19:49)
                             'size'  7564827