======================== unified (from filesystem) ========================
                                         'bitrate'  '224.0'
                                        'duration'  '176'
                                          'artist'  'Rod McKuen'
                                     'text_people'  ''
                                         'release'  '100 No 1 Hits vol 2'
                                           'title'  'Soldiers who want to be heroes'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', "
 "'Q-UNU-1', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-1', 'q-other-1', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['all', 'to listen', 'spoken word', 'blues', 'singer songwriter']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '16'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-dance'
                                             'bpm'  '99.665'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     '100 No 1 Hits vol 2'
'TBPM' (BPM (beats per minute))                     '99.665'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-dance'
'TIT2' (Title/songname/content description)         'Soldiers who want to be heroes'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Rod McKuen'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '16'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['all', 'to listen', 'spoken word', 'blues', 'singer songwriter']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '-1.51 dB'
'TXXX:replaygain_track_peak'                        '0.477008'

========================== row from database ==========================
                                              'id'  1407289
                                            'path'  /data/Music/Bulk/00poprockelectronic-generic-dance-trapbeat/100 No.1 Hits vol.2/100 No.1 Hits vol.2 cd 3/cd3 16 Rod McKuen - Soldiers who want to be heroes.mp3
                                         'working'  None
                                         'bitrate'  224
                                    'duration_sec'  176
                                           'genre'  electronic-generic or radio-dance
                                        'filesize'  4945083
                                           'mtime'  1676052931
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic generic dance trapbeat No.1 vol.2 No.1 vol.2 cd 3 cd3 16 electronic generic or radio dance
                                      'tag_artist'  Rod McKuen
                                     'tag_release'  100 No 1 Hits vol 2
                                       'tag_title'  Soldiers who want to be heroes
                                             'bpm'  99.665
                                    'search_title'  'be':5 'heroes':6 'soldiers':1 'to':4 'want':3 'who':2
                                   'search_artist'  'kuen':4 'mc':3 'mckuen':2 'rod':1
                                  'search_release'  '1':3 '100':1 '2':6 'hits':4 'no':2 'vol':5
                                     'search_rest'  '00poprockelectronic':1 '1':6 '2':9 '3':12 'cd':11 'cd3':13 'dance':3 'electronic':14 'generic':2 'no':5 'no1':7 'or':15 'radio':16 'trapbeat':4 'vol':8 'vol2':10
                                    'search_combo'  '00poprockelectronic':17 '1':13C,22 '100':11C '2':16C,25 '3':28 'be':5A 'cd':27 'cd3':29 'dance':19 'electronic':30 'generic':18 'heroes':6A 'hits':14C 'kuen':10B 'mc':9B 'mckuen':8B 'no':12C,21 'no1':23 'or':31 'radio':32 'rod':7B 'soldiers':1A 'to':4A 'trapbeat':20 'vol':15C,24 'vol2':26 'want':3A 'who':2A
                                    'tag_tracknum'  16
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HAP-2', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-UNU-1', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-3', 'q-drums-1', 'q-other-1', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-3']
                                      'lastfmtags'  ['all', 'to listen', 'spoken word', 'blues', 'singer songwriter']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1676052930.9262426  (2023-02-10 19:15:30)
                             'size'  4945083