======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '266'
                                          'artist'  'Bill Frisell Trio'
                                     'text_people'  ''
                                         'release'  'Live in Buenos Aires 2017'
                                           'title'  'What The World Needs Now Is Love'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-LOCALNESS-2', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['jazz', 'guitar', 'fusion', 'instrumental', 'avant-garde']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  '8'
                                            'date'  '2017'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-lounge or exotica or bossa'
                                             'bpm'  '92'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::eng'                                         'JZM'
'TALB' (Album/Movie/Show title)                     'Live in Buenos Aires 2017'
'TBPM' (BPM (beats per minute))                     '92'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-lounge or exotica or bossa'
'TDRC' (Recording time)                             '2017'
'TIT2' (Title/songname/content description)         'What The World Needs Now Is Love'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Bill Frisell, Tony Scherr, Kenny Wollesen'
'TPE2' (Band/orchestra/accompaniment)               ['Bill Frisell Trio', 'Bill Frisell Trio']
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'JZM'
'TRCK' (Track number/Position in set)               '4/8'
'TXXX:Album Dynamic Range (DR)'                     '12'
'TXXX:Album Dynamic Range (R128)'                   '5.954035'
'TXXX:Dynamic Range (DR)'                           '10'
'TXXX:Dynamic Range (R128)'                         '5.990757'
'TXXX:HDCD'                                         '0'
'TXXX:Peak Level (R128)'                            '-2.5 dBTP; -2.5 Izquierda; -2.5 Derecha'
'TXXX:Peak Level (Sample)'                          '-2.5 dB; -2.5 Izquierda; -2.5 Derecha'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:Tool Name'                                    'Media Center'
'TXXX:Volume Level (R128)'                          '-6.5117101669311523'
'TXXX:Volume Level (ReplayGain)'                    '-1.5117100477218628'
'TXXX:lastfmtags'                                   ['jazz', 'guitar', 'fusion', 'instrumental', 'avant-garde']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.01 dB'
'TXXX:replaygain_track_peak'                        '0.630044'

========================== row from database ==========================
                                              'id'  1265123
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Bill Frisell Trio - Live in Buenos Aires (2017) [JZM]/04. Bill Frisell Trio - What The World Needs Now Is Love.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  266
                                           'genre'  prerock-jb-jazz-lounge or exotica or bossa
                                        'filesize'  11527106
                                           'mtime'  1620528231
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country (2017) [JZM] 04. prerock jb jazz lounge exotica bossa
                                      'tag_artist'  Bill Frisell Trio
                                     'tag_release'  Live in Buenos Aires 2017
                                       'tag_title'  What The World Needs Now Is Love
                                             'bpm'  92.0
                                    'search_title'  'is':6 'love':7 'needs':4 'now':5 'the':2 'what':1 'world':3
                                   'search_artist'  'bill':1 'frisell':2 'trio':3
                                  'search_release'  '2017':5 'aires':4 'buenos':3 'in':2 'live':1
                                     'search_rest'  '04':9,10 '2017':5,6 'bossa':14 'country':4 'exotica':2 'jazz':1 'jb':12 'jzm':7,8 'lounge':13 'oldies':3 'prerock':11
                                    'search_combo'  '04':24,25 '2017':15C,20,21 'aires':14C 'bill':8B 'bossa':29 'buenos':13C 'country':19 'exotica':17 'frisell':9B 'in':12C 'is':6A 'jazz':16 'jb':27 'jzm':22,23 'live':11C 'lounge':28 'love':7A 'needs':4A 'now':5A 'oldies':18 'prerock':26 'the':2A 'trio':10B 'what':1A 'world':3A
                                    'tag_tracknum'  4
                                      'num_images'  1
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['jazz', 'guitar', 'fusion', 'instrumental', 'avant-garde']
                                        'tag_date'  2017
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620528230.8455544  (2021-05-09 04:43:50)
                             'size'  11527106