======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '161'
                                          'artist'  'Bobby & Billy'
                                     'text_people'  ''
                                         'release'  'Trashcan Records Vol. 17 - Mondo Exotica Pt. 4'
                                           'title'  'Pachanga Baby'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-2', 'Q-JZFKS-2', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '20'
                                      'tracktotal'  ''
                                            'date'  '1965'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-lounge or exotica or bossa;set-pl-mor'
                                             'bpm'  '90.3'
                                             'key'  '7B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Trashcan Records Vol. 17 - Mondo Exotica Pt. 4'
'TBPM' (BPM (beats per minute))                     '90.3'
'TCON' (Content type, a.k.a. Genre)                 ['prerock-jb-jazz-lounge or exotica or bossa', 'set-pl-mor']
'TDRC' (Recording time)                             '1965'
'TIT2' (Title/songname/content description)         'Pachanga Baby'
'TKEY' (Initial key)                                '7B'
'TPE1' (Lead performer(s)/Soloist(s))               'Bobby & Billy'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '20'
'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:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'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'                        '+1.45 dB'
'TXXX:replaygain_track_peak'                        '0.313036'

========================== row from database ==========================
                                              'id'  1389553
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Albinos - va - Trashcan Records Vol. 17 - Mondo Exotica Pt. 4/20 - Bobby & Billy (Tito Rodriguez & Orchestra) - Pachanga Baby (United Artists) (USA).mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  161
                                           'genre'  prerock-jb-jazz-lounge or exotica or bossa;set-pl-mor
                                        'filesize'  2589364
                                           'mtime'  1620528135
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country Albinos va 20 (Tito Rodriguez Orchestra) (United Artists) (USA) prerock jb jazz lounge exotica bossa;set pl mor
                                      'tag_artist'  Bobby & Billy
                                     'tag_release'  Trashcan Records Vol. 17 - Mondo Exotica Pt. 4
                                       'tag_title'  Pachanga Baby
                                             'bpm'  90.3
                                    'search_title'  'baby':2 'pachanga':1
                                   'search_artist'  'billy':2 'bobby':1
                                  'search_release'  '4':9 'exotica':6 'mondo':5 'pt':7,8 'records':2 'trashcan':1 'vol':3,4
                                     'search_rest'  '20':7 'albinos':5 'artists':15,16 'bossa':22,24 'country':4 'exotica':2 'jazz':1 'jb':20 'lounge':21 'mor':27 'oldies':3 'orchestra':11,12 'pl':26 'prerock':19 'rodriguez':10 'set':23,25 'tito':8,9 'united':13,14 'usa':17,18 'va':6
                                    'search_combo'  '20':20 '4':13C 'albinos':18 'artists':28,29 'baby':2A 'billy':4B 'bobby':3B 'bossa':35,37 'country':17 'exotica':10C,15 'jazz':14 'jb':33 'lounge':34 'mondo':9C 'mor':40 'oldies':16 'orchestra':24,25 'pachanga':1A 'pl':39 'prerock':32 'pt':11C,12C 'records':6C 'rodriguez':23 'set':36,38 'tito':21,22 'trashcan':5C 'united':26,27 'usa':30,31 'va':19 'vol':7C,8C
                                    'tag_tracknum'  20
                                      'num_images'  0
                                             'key'  7B
                                           '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-3', 'q-drums-3', 'q-syn-1', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1965
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620528135.488556  (2021-05-09 04:42:15)
                             'size'  2589364