======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '329'
                                          'artist'  'Cal Tjader'
                                     'text_people'  ''
                                         'release'  'Out Of The Cool, Too'
                                           'title'  'Tanya'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-3', 'Q-JZFKS-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'Q-PLAY-2', 'q-syn-1', 'q-bass-4', 'q-busy-2', 'q-grit-1', "
 "'Q-PIANO-2', 'q-chart-2', 'q-drums-3', 'q-other-3', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['bossa nova', 'fip', 'latin', 'jazz', 'vibraphone', 'latin jazz']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '15'
                                      'tracktotal'  ''
                                            'date'  '1964'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-unsorted'
                                             'bpm'  '112.4'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Out Of The Cool, Too'
'TBPM' (BPM (beats per minute))                     '112.4'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-unsorted'
'TDRC' (Recording time)                             '1964'
'TIT2' (Title/songname/content description)         'Tanya'
'TKEY' (Initial key)                                '6A'
'TLEN' (Length)                                     '000000329438'
'TPE1' (Lead performer(s)/Soloist(s))               'Cal Tjader'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '15'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['bossa nova', 'fip', 'latin', 'jazz', 'vibraphone', 'latin jazz']
'TXXX:q-bass'                                       '4'
'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-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.96 dB'
'TXXX:replaygain_track_peak'                        '0.707544'

========================== row from database ==========================
                                              'id'  1518295
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Bossa 3 - VV.AA. Out of the Cool. Vol. 02/15 - Cal Tjader - Tanya [__Soul Sauce__ Verve V 8614].mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  329
                                           'genre'  prerock-jb-jazz-unsorted
                                        'filesize'  13181581
                                           'mtime'  1620528309
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country Bossa 3 VV.AA. of the Cool. Vol. 02 15 [__Soul Sauce__ Verve V 8614] prerock jb jazz unsorted
                                      'tag_artist'  Cal Tjader
                                     'tag_release'  Out Of The Cool, Too
                                       'tag_title'  Tanya
                                             'bpm'  112.4
                                    'search_title'  'tanya':1
                                   'search_artist'  'cal':1 'tjader':2
                                  'search_release'  'cool':4,5 'of':2 'out':1 'the':3 'too':6
                                     'search_rest'  '3':6 '8614':21,22 'aa':8 'bossa':5 'cool':12,13 'country':4 'exotica':2 'jazz':1 'jb':24 'of':10 'oldies':3 'prerock':23 'sauce':18 'soul':16,17 'the':11 'unsorted':25 'v':20 'verve':19 'vol':14,15 'vv':7 'vvaa':9
                                    'search_combo'  '3':15 '8614':30,31 'aa':17 'bossa':14 'cal':2B 'cool':7C,8C,21,22 'country':13 'exotica':11 'jazz':10 'jb':33 'of':5C,19 'oldies':12 'out':4C 'prerock':32 'sauce':27 'soul':25,26 'tanya':1A 'the':6C,20 'tjader':3B 'too':9C 'unsorted':34 'v':29 'verve':28 'vol':23,24 'vv':16 'vvaa':18
                                    'tag_tracknum'  15
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-3', 'q-mixbeat-1', 'Q-PIANO-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-PLAY-2', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  ['bossa nova', 'fip', 'latin', 'jazz', 'vibraphone', 'latin jazz']
                                        'tag_date'  1964
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620528308.7928646  (2021-05-09 04:45:08)
                             'size'  13181581