======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '179'
                                          'artist'  'Brute Force'
                                     'text_people'  ''
                                         'release'  '98psych'
                                           'title'  "Nobody Knows (What's Going On In My Mind)"
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-3', 'Q-UNU-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['power metal', 'heavy metal', 'soul', 'funk', '70s']"
                                     'discogstags'  "['funk / soul', 'jazz', 'jazz-funk']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1975'
                                        'comments'  ''
                                           'genre'  'rock-cppex-psychedelic'
                                             'bpm'  '123.708'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     '98psych'
'TBPM' (BPM (beats per minute))                     '123.708'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-psychedelic'
'TDRC' (Recording time)                             '1975'
'TIT2' (Title/songname/content description)         "Nobody Knows (What's Going On In My Mind)"
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'Brute Force'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['funk / soul', 'jazz', 'jazz-funk']
'TXXX:lastfmtags'                                   ['power metal', 'heavy metal', 'soul', 'funk', '70s']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.80 dB'
'TXXX:replaygain_track_peak'                        '0.325901'

========================== row from database ==========================
                                              'id'  1499722
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/Moðollar - 98psych/Brute Force -- Nobody Knows (What_s Going On In My Mind).mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  179
                                           'genre'  rock-cppex-psychedelic
                                        'filesize'  3588804
                                           'mtime'  1620736622
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy Moðollar (What_s rock cppex psychedelic
                                      'tag_artist'  Brute Force
                                     'tag_release'  98psych
                                       'tag_title'  Nobody Knows (What's Going On In My Mind)
                                             'bpm'  123.708
                                    'search_title'  'going':6 'in':8 'knows':2 'mind':10,11 'my':9 'nobody':1 'on':7 's':4 'what':3 'whats':5
                                   'search_artist'  'brute':1 'force':2
                                  'search_release'  '98psych':1
                                     'search_rest'  'classicprogpsy':1 'cppex':9 'modollar':3 'moðollar':2 'psychedelic':10 'rock':8 's':5,7 'what':4,6
                                    'search_combo'  '98psych':14C 'brute':12B 'classicprogpsy':15 'cppex':23 'force':13B 'going':6A 'in':8A 'knows':2A 'mind':10A,11A 'modollar':17 'moðollar':16 'my':9A 'nobody':1A 'on':7A 'psychedelic':24 'rock':22 's':4A,19,21 'what':3A,18,20 'whats':5A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['power metal', 'heavy metal', 'soul', 'funk', '70s']
                                        'tag_date'  1975
                                     'discogstags'  ['funk / soul', 'jazz', 'jazz-funk']

============================== file details ==============================
                                           'mtime'  1620736621.8072777  (2021-05-11 14:37:01)
                             'size'  3588804