======================== unified (from filesystem) ========================
                                         'bitrate'  '110.885'
                                        'duration'  '159'
                                          'artist'  'Mose Allison '
                                     'text_people'  ''
                                         'release'  'Dimitri - Ful, Soul & Jazz'
                                           'title'  'the seventh son'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-SYN-2', 'Q-BUSY-3', 'Q-GRIT-2', "
 "'Q-PLAY-3', 'q-bass-4', 'Q-CHART-2', 'Q-JZFKS-3', 'Q-OLDST-2', 'q-drums-1', "
 "'q-other-2', 'q-piano-1', 'q-vocals-3', 'Q-HHRNBTT-1', 'Q-MIXBEAT-2']")
                                      'lastfmtags'  "['jazz', 'blues', 'piano', 'jazz vocal', 'jazz piano']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'funk or soul'
                                             'bpm'  '145.6'
                                             'key'  '4B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Dimitri - Ful, Soul & Jazz'
'TBPM' (BPM (beats per minute))                     '145.6'
'TCON' (Content type, a.k.a. Genre)                 'funk or soul'
'TIT2' (Title/songname/content description)         'the seventh son'
'TKEY' (Initial key)                                '4B'
'TPE1' (Lead performer(s)/Soloist(s))               'Mose Allison '
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TSSE' (Software/Hardware and settings used for encoding)  'Lavf58.45.100'
'TXXX:Q-BUSY'                                       '3'
'TXXX:Q-CHART'                                      '2'
'TXXX:Q-GRIT'                                       '2'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-MIXBEAT'                                    '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-SYN'                                        '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:compatible_brands'                            'isomiso2mp41'
'TXXX:lastfmtags'                                   ['jazz', 'blues', 'piano', 'jazz vocal', 'jazz piano']
'TXXX:major_brand'                                  'isom'
'TXXX:minor_version'                                '512'
'TXXX:q-bass'                                       '4'
'TXXX:q-drums'                                      '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.10 dB'
'TXXX:replaygain_track_peak'                        '0.614252'

========================== row from database ==========================
                                              'id'  1477283
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Dimitri/FunkSoulJazz/Mose Allison the seventh son-1EngRmYu_vs.mp3
                                         'working'  None
                                         'bitrate'  110
                                    'duration_sec'  159
                                           'genre'  funk or soul
                                        'filesize'  2216953
                                           'mtime'  1628357627
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm FunkSoulJazz 1EngRmYu_vs funk or soul
                                      'tag_artist'  Mose Allison 
                                     'tag_release'  Dimitri - Ful, Soul & Jazz
                                       'tag_title'  the seventh son
                                             'bpm'  145.6
                                    'search_title'  'seventh':2 'son':3 'the':1
                                   'search_artist'  'allison':2 'mose':1
                                  'search_release'  'dimitri':1 'ful':2,3 'jazz':5 'soul':4
                                     'search_rest'  '1eng':8 '1engrmyu':2 'funk':4 'funksouljazz':1 'jazz':7 'or':5 'rm':9 'soul':6 'vs':3,11 'yu':10
                                    'search_combo'  '1eng':18 '1engrmyu':12 'allison':5B 'dimitri':6C 'ful':7C,8C 'funk':14 'funksouljazz':11 'jazz':10C,17 'mose':4B 'or':15 'rm':19 'seventh':2A 'son':3A 'soul':9C,16 'the':1A 'vs':13,21 'yu':20
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  4B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'Q-MIXBEAT-2', 'Q-OLDST-2', 'Q-GRIT-2', 'Q-UNU-1', 'Q-JZFKS-3', 'Q-CHART-2', 'q-drums-1', 'Q-SYN-2', 'q-other-2', 'Q-BUSY-3', 'Q-HAP-3', 'Q-PLAY-3', 'q-bass-4']
                                      'lastfmtags'  ['jazz', 'blues', 'piano', 'jazz vocal', 'jazz piano']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1628357627.3396518  (2021-08-07 19:33:47)
                             'size'  2216953