======================== unified (from filesystem) ========================
                                         'bitrate'  '258.451'
                                        'duration'  '79'
                                          'artist'  'Sun Ra 71'
                                     'text_people'  ''
                                         'release'  '710612 - J. P. Widney Junior High School Auditorium, Los Angeles, CA'
                                           'title'  "We'll Wait For You"
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-2', 'Q-UNU-1', 'Q-JZFKS-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-2', 'q-grit-1', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
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                                      'lastfmtags'  "['jazz', 'free jazz', 'avant-garde', 'experimental', 'avant-garde jazz']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  '14'
                                            'date'  '1971'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-unsorted'
                                             'bpm'  '138.9'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'COMM:iTunes_CDDB_1:eng'                            '9111390B+330841+11+150+26445+32253+38183+50062+78943+138486+176127+273246+304056+321496'
'COMM:iTunes_CDDB_TrackNumber:eng'                  '3'
'TALB' (Album/Movie/Show title)                     '710612 - J. P. Widney Junior High School Auditorium, Los Angeles, CA'
'TBPM' (BPM (beats per minute))                     '138.9'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-unsorted'
'TDRC' (Recording time)                             '1971'
'TENC' (Encoded by)                                 'iTunes v2.0.3'
'TIT2' (Title/songname/content description)         "We'll Wait For You"
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Sun Ra 71'
'TRCK' (Track number/Position in set)               '3/14'
'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:lastfmtags'                                   ['jazz', 'free jazz', 'avant-garde', 'experimental', 'avant-garde jazz']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.26 dB'
'TXXX:replaygain_track_peak'                        '0.453235'

========================== row from database ==========================
                                              'id'  1520539
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Sun Ra 71 - Sun Ra » » J.P. Widney Junior High School Auditorium, Los Angeles, CA_06.12.71/03 - We_ll Wait For You.mp3
                                         'working'  None
                                         'bitrate'  258
                                    'duration_sec'  79
                                           'genre'  prerock-jb-jazz-unsorted
                                        'filesize'  2558889
                                           'mtime'  1620535918
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country » » J.P. CA_06.12.71 03 We_ll prerock jb jazz unsorted
                                      'tag_artist'  Sun Ra 71
                                     'tag_release'  710612 - J. P. Widney Junior High School Auditorium, Los Angeles, CA
                                       'tag_title'  We'll Wait For You
                                             'bpm'  138.9
                                    'search_title'  'for':5 'll':2 'wait':4 'we':1 'well':3 'you':6
                                   'search_artist'  '71':3 'ra':2 'sun':1
                                  'search_release'  '710612':1 'angeles':13,14 'auditorium':10,11 'ca':15 'high':8 'j':2,3 'junior':7 'los':12 'p':4,5 'school':9 'widney':6
                                     'search_rest'  '06':9 '061271':13 '12':10 '71':11 'ca':8,12 'country':4 'exotica':2 'j':5 'jazz':1 'jb':17 'jp':7 'll':15 'oldies':3 'p':6 'prerock':16 'unsorted':18 'we':14
                                    'search_combo'  '06':33 '061271':37 '12':34 '71':9B,35 '710612':10C 'angeles':22C,23C 'auditorium':19C,20C 'ca':24C,32,36 'country':28 'exotica':26 'for':5A 'high':17C 'j':11C,12C,29 'jazz':25 'jb':41 'jp':31 'junior':16C 'll':2A,39 'los':21C 'oldies':27 'p':13C,14C,30 'prerock':40 'ra':8B 'school':18C 'sun':7B 'unsorted':42 'wait':4A 'we':1A,38 'well':3A 'widney':15C 'you':6A
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-2', 'q-drums-3', 'q-syn-1', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['jazz', 'free jazz', 'avant-garde', 'experimental', 'avant-garde jazz']
                                        'tag_date'  1971
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620535917.6245294  (2021-05-09 06:51:57)
                             'size'  2558889