======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '264'
                                          'artist'  'Dave Brubeck Quartet'
                                     'text_people'  ''
                                         'release'  'Out Of The Cool'
                                           'title'  'Upstage Rumba'
                                           'quals'  ("['Q-HAP-3', 'Q-HHRNBTT-1', 'Q-LOCALNESS-2', 'Q-UNU-1', 'Q-JZFKS-3', "
 "'Q-OLDST-2', 'q-syn-1', 'Q-PLAY-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', "
 "'Q-PIANO-2', 'q-chart-2', 'q-drums-3', 'q-other-2', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['jazz', 'cool jazz', 'instrumental', 'piano', 'jazz piano']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '06'
                                      'tracktotal'  ''
                                            'date'  '1964'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-bebop or cool or beat'
                                             'bpm'  '110.8'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Out Of The Cool'
'TBPM' (BPM (beats per minute))                     '110.8'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-bebop or cool or beat'
'TDRC' (Recording time)                             '1964'
'TIT2' (Title/songname/content description)         'Upstage Rumba'
'TKEY' (Initial key)                                '7A'
'TLEN' (Length)                                     '000000264811'
'TPE1' (Lead performer(s)/Soloist(s))               'Dave Brubeck Quartet'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '06'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['jazz', 'cool jazz', 'instrumental', 'piano', 'jazz piano']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.07 dB'
'TXXX:replaygain_track_peak'                        '0.503448'

========================== row from database ==========================
                                              'id'  1517743
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/VV.AA. Out of the Cool. Vol. 01/06 - Dave Brubeck Quartet - Upstage Rumba [__Jazz Impressions Of New York__ Columbia CL 2275].mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  264
                                           'genre'  prerock-jb-jazz-bebop or cool or beat
                                        'filesize'  10596560
                                           'mtime'  1620524056
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm VV.AA. of the Cool. Vol. 01 06 [__Jazz Impressions New York__ Columbia CL 2275] prerock jb jazz bebop or cool or beat
                                      'tag_artist'  Dave Brubeck Quartet
                                     'tag_release'  Out Of The Cool
                                       'tag_title'  Upstage Rumba
                                             'bpm'  110.8
                                    'search_title'  'rumba':2 'upstage':1
                                   'search_artist'  'brubeck':2 'dave':1 'quartet':3
                                  'search_release'  'cool':4 'of':2 'out':1 'the':3
                                     'search_rest'  '2275':17,18 'aa':2 'beat':24 'bebop':22 'cl':16 'columbia':15 'cool':6,7 'impressions':12 'jazz':10,11,21 'jb':20 'new':13 'of':4 'or':23 'prerock':19 'the':5 'vol':8,9 'vv':1 'vvaa':3 'york':14
                                    'search_combo'  '2275':26,27 'aa':11 'beat':33 'bebop':31 'brubeck':4B 'cl':25 'columbia':24 'cool':9C,15,16 'dave':3B 'impressions':21 'jazz':19,20,30 'jb':29 'new':22 'of':7C,13 'or':32 'out':6C 'prerock':28 'quartet':5B 'rumba':2A 'the':8C,14 'upstage':1A 'vol':17,18 'vv':10 'vvaa':12 'york':23
                                    'tag_tracknum'  6
                                      'num_images'  0
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-2', 'q-mixbeat-1', 'Q-PIANO-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-3', 'q-drums-3', 'q-syn-1', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'Q-PLAY-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['jazz', 'cool jazz', 'instrumental', 'piano', 'jazz piano']
                                        'tag_date'  1964
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620524055.5621233  (2021-05-09 03:34:15)
                             'size'  10596560