======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '206'
                                          'artist'  'Harry James & His Orchestra'
                                     'text_people'  ''
                                         'release'  "I've Heard That Song Before - The Hits of Harry James - Disc 1"
                                           'title'  'Flatbush Flanagan'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-2', 'Q-UNU-1', 'Q-JZFKS-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-2', 'q-busy-2', 'q-grit-1', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['instrumental', 'jazz', 'big band', 'swing']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '16'
                                      'tracktotal'  ''
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-o-big band'
                                             'bpm'  '129.398'
                                             'key'  '6B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     "I've Heard That Song Before - The Hits of Harry James - Disc 1"
'TBPM' (BPM (beats per minute))                     '129.398'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-o-big band'
'TDRC' (Recording time)                             '2001'
'TIT2' (Title/songname/content description)         'Flatbush Flanagan'
'TKEY' (Initial key)                                '6B'
'TPE1' (Lead performer(s)/Soloist(s))               'Harry James & His Orchestra'
'TRCK' (Track number/Position in set)               '16'
'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'                                   ['instrumental', 'jazz', 'big band', 'swing']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.78 dB'
'TXXX:replaygain_track_peak'                        '0.667157'

========================== row from database ==========================
                                              'id'  1533615
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/I_ve Heard That Song Before - The Hits of Harry James - Disc 1/16 - Flatbush Flanagan.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  206
                                           'genre'  prerock-jb-jazz-o-big band
                                        'filesize'  8259150
                                           'mtime'  1620530175
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country I_ve 16 prerock jb jazz big band
                                      'tag_artist'  Harry James & His Orchestra
                                     'tag_release'  I've Heard That Song Before - The Hits of Harry James - Disc 1
                                       'tag_title'  Flatbush Flanagan
                                             'bpm'  129.398
                                    'search_title'  'flanagan':2 'flatbush':1
                                   'search_artist'  'harry':1 'his':3 'james':2 'orchestra':4
                                  'search_release'  '1':14 'before':7 'disc':13 'harry':11 'heard':4 'hits':9 'i':1 'ive':3 'james':12 'of':10 'song':6 'that':5 'the':8 've':2
                                     'search_rest'  'band':10 'big':9 'country':4 'exotica':2 'i':5 'jazz':1 'jb':8 'oldies':3 'prerock':7 've':6
                                    'search_combo'  '1':20C 'band':30 'before':13C 'big':29 'country':24 'disc':19C 'exotica':22 'flanagan':2A 'flatbush':1A 'harry':3B,17C 'heard':10C 'his':5B 'hits':15C 'i':7C,25 'ive':9C 'james':4B,18C 'jazz':21 'jb':28 'of':16C 'oldies':23 'orchestra':6B 'prerock':27 'song':12C 'that':11C 'the':14C 've':8C,26
                                    'tag_tracknum'  16
                                      'num_images'  0
                                             'key'  6B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-2', 'q-drums-3', 'q-syn-1', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-2', 'q-grit-1']
                                      'lastfmtags'  ['instrumental', 'jazz', 'big band', 'swing']
                                        'tag_date'  2001
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620530174.8047004  (2021-05-09 05:16:14)
                             'size'  8259150