======================== unified (from filesystem) ========================
                                         'bitrate'  '208.529'
                                        'duration'  '189'
                                          'artist'  'Kaskade vs. Wolfgang Gartner'
                                     'text_people'  ''
                                         'release'  'Kaskade - Essential Mix (2011-09-10)'
                                           'title'  "Steppin' Out Undertaker (Kaskade's EDC 2010 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-3', 'q-piano-1', 'q-vocals-2', 'q-mixbeat-3']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '19'
                                      'tracktotal'  ''
                                            'date'  '2011'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-dance'
                                             'bpm'  '127.927'
                                             'key'  '10A'
                                        '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)         "Steppin' Out Undertaker (Kaskade's EDC 2010 Mashup)"
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Kaskade vs. Wolfgang Gartner'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '19'
'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'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.98 dB'
'TXXX:replaygain_track_peak'                        '0.454880'

========================== row from database ==========================
                                              'id'  1507879
                                            'path'  /data/Music/Bulk/00poprockelectronic-generic-dance-trapbeat/essential mix/Kaskade - Essential Mix (2011-09-10)/19 - Kaskade vs. Wolfgang Gartner - Steppin_ Out Undertaker (Kaskade_s EDC 2010 Mashup).mp3
                                         'working'  None
                                         'bitrate'  208
                                    'duration_sec'  189
                                           'genre'  electronic-generic or radio-dance
                                        'filesize'  4937023
                                           'mtime'  1620559201
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic generic dance trapbeat essential mix 19 Steppin_ (Kaskade_s electronic generic or radio dance
                                      'tag_artist'  Kaskade vs. Wolfgang Gartner
                                     'tag_release'  Kaskade - Essential Mix (2011-09-10)
                                       'tag_title'  Steppin' Out Undertaker (Kaskade's EDC 2010 Mashup)
                                             'bpm'  127.927
                                    'search_title'  '2010':9 'edc':8 'kaskade':5 'kaskades':7 'mashup':10,11 'out':3 's':6 'steppin':1,2 'undertaker':4
                                   'search_artist'  'gartner':5 'kaskade':1 'vs':2,3 'wolfgang':4
                                  'search_release'  '09':5 '10':6 '2011':4 '20110910':7 'essential':2 'kaskade':1 'mix':3
                                     'search_rest'  '00poprockelectronic':1 '19':7 'dance':3 'electronic':13 'essential':5 'generic':2 'kaskade':9,11 'mix':6 'or':14 'radio':15 's':10,12 'steppin':8 'trapbeat':4
                                    'search_combo'  '00poprockelectronic':24 '09':21C '10':22C '19':30 '2010':9A '2011':20C '20110910':23C 'dance':26 'edc':8A 'electronic':36 'essential':18C,28 'gartner':16B 'generic':25 'kaskade':5A,12B,17C,32,34 'kaskades':7A 'mashup':10A,11A 'mix':19C,29 'or':37 'out':3A 'radio':38 's':6A,33,35 'steppin':1A,2A,31 'trapbeat':27 'undertaker':4A 'vs':13B,14B 'wolfgang':15B
                                    'tag_tracknum'  19
                                      'num_images'  0
                                             'key'  10A
                                           '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-4', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  2011
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620559201.4063253  (2021-05-09 13:20:01)
                             'size'  4937023