======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '272'
                                          'artist'  'Fantastic Plastic Machine'
                                     'text_people'  ''
                                         'release'  'the fantastic plastic machine'
                                           'title'  'pura saudade (nova bossa nova)'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-UNU-1', 'Q-LOCALNESS-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-4', 'q-busy-3', 'q-grit-1', 'q-play-3', "
 "'q-chart-2', 'q-drums-2', 'q-other-1', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['lounge', 'shibuya kei', 'electronica', 'electronic', 'japanese']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '11'
                                      'tracktotal'  ''
                                            'date'  '1998'
                                        'comments'  ''
                                           'genre'  ('prerock-jb-jazz-lounge or exotica or '
 'bossa;loc-asia-japan;set-pl-shirleyspinoza;set-pl-mor')
                                             'bpm'  '106.7'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'the fantastic plastic machine'
'TBPM' (BPM (beats per minute))                     '106.7'
'TCON' (Content type, a.k.a. Genre)                 ['prerock-jb-jazz-lounge or exotica or bossa',
 'loc-asia-japan',
 'set-pl-shirleyspinoza',
 'set-pl-mor']
'TDRC' (Recording time)                             '1998'
'TIT2' (Title/songname/content description)         'pura saudade (nova bossa nova)'
'TKEY' (Initial key)                                '7A'
'TLEN' (Length)                                     '272561'
'TPE1' (Lead performer(s)/Soloist(s))               'Fantastic Plastic Machine'
'TRCK' (Track number/Position in set)               '11'
'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'                                   ['lounge', 'shibuya kei', 'electronica', 'electronic', 'japanese']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-3.20 dB'
'TXXX:replaygain_track_peak'                        '0.796891'

========================== row from database ==========================
                                              'id'  1379610
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Fantastic Plastic Machine - 1998 - The Fantastic Plastic Machine (Nippon Columbia) [128k]/[11] pura saudade (nova bossa nova).mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  272
                                           'genre'  prerock-jb-jazz-lounge or exotica or bossa;loc-asia-japan;set-pl-shirleyspinoza;set-pl-mor
                                        'filesize'  4363394
                                           'mtime'  1620528736
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 1998 The (Nippon Columbia) [128k] [11] prerock jb jazz lounge or exotica or bossa;loc asia japan;set shirleyspinoza;set mor
                                      'tag_artist'  Fantastic Plastic Machine
                                     'tag_release'  the fantastic plastic machine
                                       'tag_title'  pura saudade (nova bossa nova)
                                             'bpm'  106.7
                                    'search_title'  'bossa':5 'nova':3,4,6 'pura':1 'saudade':2
                                   'search_artist'  'fantastic':1 'machine':3 'plastic':2
                                  'search_release'  'fantastic':2 'machine':4 'plastic':3 'the':1
                                     'search_rest'  '11':13,14 '128k':11,12 '1998':5 'asia':23 'bossa':19,21 'columbia':9,10 'country':4 'exotica':2 'japan':24,26 'jazz':1 'jb':16 'loc':20,22 'lounge':17 'mor':32 'nippon':7,8 'oldies':3 'or':18 'prerock':15 'set':25,27,29,31 'shirleyspinoza':28,30 'the':6
                                    'search_combo'  '11':26,27 '128k':24,25 '1998':18 'asia':36 'bossa':5A,32,34 'columbia':22,23 'country':17 'exotica':15 'fantastic':7B,11C 'japan':37,39 'jazz':14 'jb':29 'loc':33,35 'lounge':30 'machine':9B,13C 'mor':45 'nippon':20,21 'nova':3A,4A,6A 'oldies':16 'or':31 'plastic':8B,12C 'prerock':28 'pura':1A 'saudade':2A 'set':38,40,42,44 'shirleyspinoza':41,43 'the':10C,19
                                    'tag_tracknum'  11
                                      'num_images'  0
                                             'key'  7A
                                           '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-2', 'q-syn-1', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  ['lounge', 'shibuya kei', 'electronica', 'electronic', 'japanese']
                                        'tag_date'  1998
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620528735.7939868  (2021-05-09 04:52:15)
                             'size'  4363394