======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '410'
                                          'artist'  'Bozz@nova'
                                     'text_people'  ''
                                         'release'  'Uplifting Progressive Trance'
                                           'title'  'I Wanna Be Your Dog (Filterhea'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'q-syn-4', 'q-bass-4', 'q-busy-2', 'q-grit-2', "
 "'q-play-2', 'Q-JZFKS-1', 'Q-OLDST-3', 'q-chart-2', 'q-drums-4', 'q-other-1', "
 "'q-piano-1', 'q-vocals-1', 'Q-HHRNBTT-1', 'q-mixbeat-3', 'Q-LOCALNESS-1']")
                                      'lastfmtags'  "['need to rate', 'under 2000 listeners']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'electronic-th-techno'
                                             'bpm'  '128.0'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         'Electronic Sound Transformers'
'TALB' (Album/Movie/Show title)                     'Uplifting Progressive Trance'
'TBPM' (BPM (beats per minute))                     '128.0'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-techno'
'TDRC' (Recording time)                             '2008'
'TIT2' (Title/songname/content description)         'I Wanna Be Your Dog (Filterhea'
'TKEY' (Initial key)                                '9B'
'TPE1' (Lead performer(s)/Soloist(s))               'Bozz@nova'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'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'                                   ['need to rate', 'under 2000 listeners']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '4'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.55 dB'
'TXXX:replaygain_track_peak'                        '0.496860'

========================== row from database ==========================
                                              'id'  728604
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/tribal electro ~ classic progressive house ~ uplifting progressive trance/01_bozzatnova_-_i_wanna_be_your_dog_(filterheadz_remix)-est.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  410
                                           'genre'  electronic-th-techno
                                        'filesize'  16435642
                                           'mtime'  1620580638
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm tribal electro ~ classic progressive house ~ uplifting progressive trance 01_bozzatnova_ _i_wanna_be_your_dog_(filterheadz_remix) est electronic th techno
                                      'tag_artist'  Bozz@nova
                                     'tag_release'  Uplifting Progressive Trance
                                       'tag_title'  I Wanna Be Your Dog (Filterhea
                                             'bpm'  128.0
                                    'search_title'  'be':3 'dog':5 'filterhea':6,7 'i':1 'wanna':2 'your':4
                                   'search_artist'  'bozz':1 'nova':2
                                  'search_release'  'progressive':2 'trance':3 'uplifting':1
                                     'search_rest'  '01':8 'be':12,19 'bozzatnova':9 'classic':3 'dog':14,21 'electro':2 'electronic':25 'est':24 'filterheadz':15,22 'house':5 'i':10,17 'progressive':4 'remix':16,23 'techno':27 'th':26 'trance':7 'tribal':1 'uplifting':6 'wanna':11,18 'your':13,20
                                    'search_combo'  '01':20 'be':3A,24,31 'bozz':8B 'bozzatnova':21 'classic':15 'dog':5A,26,33 'electro':14 'electronic':37 'est':36 'filterhea':6A,7A 'filterheadz':27,34 'house':17 'i':1A,22,29 'nova':9B 'progressive':11C,16 'remix':28,35 'techno':39 'th':38 'trance':12C,19 'tribal':13 'uplifting':10C,18 'wanna':2A,23,30 'your':4A,25,32
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-4', 'q-syn-4', 'q-chart-2', 'q-other-1', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['need to rate', 'under 2000 listeners']
                                        'tag_date'  2008
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620580638.0352082  (2021-05-09 19:17:18)
                             'size'  16435642