======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '251'
                                          'artist'  'Banda Brasileira '
                                     'text_people'  ''
                                         'release'  'Bossa for Lovers (The Best Love Songs in a Brazilian Jazz Lounge Touch)'
                                           'title'  'I Heard It Through the Grapevine'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', "
 "'q-play-2', 'Q-JZFKS-2', 'Q-OLDST-1', 'q-chart-2', 'q-drums-3', 'q-other-3', "
 "'q-piano-1', 'q-vocals-3', 'Q-HHRNBTT-1', 'q-mixbeat-2', 'Q-LOCALNESS-2']")
                                      'lastfmtags'  "['chillout', 'lounge', 'under 2000 listeners']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '04'
                                      'tracktotal'  ''
                                            'date'  '2014'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-lounge or exotica or bossa'
                                             'bpm'  '115.3'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Bossa for Lovers (The Best Love Songs in a Brazilian Jazz Lounge Touch)'
'TBPM' (BPM (beats per minute))                     '115.3'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-lounge or exotica or bossa'
'TDRC' (Recording time)                             '2014'
'TIT2' (Title/songname/content description)         'I Heard It Through the Grapevine'
'TKEY' (Initial key)                                '7A'
'TPE1' (Lead performer(s)/Soloist(s))               'Banda Brasileira '
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '04'
'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'                                   ['chillout', 'lounge', 'under 2000 listeners']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.76 dB'
'TXXX:replaygain_track_peak'                        '0.366753'

========================== row from database ==========================
                                              'id'  1396515
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/bossa for lovers (the best love songs in a brazilian jazz lounge touch) (2014)/04. i heard it through the grapevine - banda brasileira .mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  251
                                           'genre'  prerock-jb-jazz-lounge or exotica or bossa
                                        'filesize'  10129909
                                           'mtime'  1620537395
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country bossa lovers (the best love songs brazilian jazz lounge touch) (2014) 04. heard it through grapevine banda brasileira prerock jb jazz lounge exotica bossa
                                      'tag_artist'  Banda Brasileira 
                                     'tag_release'  Bossa for Lovers (The Best Love Songs in a Brazilian Jazz Lounge Touch)
                                       'tag_title'  I Heard It Through the Grapevine
                                             'bpm'  115.3
                                    'search_title'  'grapevine':6 'heard':2 'i':1 'it':3 'the':5 'through':4
                                   'search_artist'  'banda':1 'brasileira':2
                                  'search_release'  'a':10 'best':6 'bossa':1 'brazilian':11 'for':2 'in':9 'jazz':12 'lounge':13 'love':7 'lovers':3 'songs':8 'the':4,5 'touch':14,15
                                     'search_rest'  '04':18,19 '2014':16,17 'banda':24 'best':9 'bossa':5 'brasileira':25 'brazilian':12 'country':4 'exotica':2 'grapevine':23 'heard':20 'it':21 'jazz':1 'jb':27 'lounge':13 'love':10 'lovers':6 'oldies':3 'prerock':26 'songs':11 'the':7,8 'through':22 'touch':14,15
                                    'search_combo'  '04':41,42 '2014':39,40 'a':18C 'banda':7B,47 'best':14C,32 'bossa':9C,28 'brasileira':8B,48 'brazilian':19C,35 'country':27 'exotica':25 'for':10C 'grapevine':6A,46 'heard':2A,43 'i':1A 'in':17C 'it':3A,44 'jazz':20C,24 'jb':50 'lounge':21C,36 'love':15C,33 'lovers':11C,29 'oldies':26 'prerock':49 'songs':16C,34 'the':5A,12C,13C,30,31 'through':4A,45 'touch':22C,23C,37,38
                                    'tag_tracknum'  4
                                      'num_images'  1
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['chillout', 'lounge', 'under 2000 listeners']
                                        'tag_date'  2014
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620537395.3678792  (2021-05-09 07:16:35)
                             'size'  10129909