======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '381'
                                          'artist'  ''
                                     'text_people'  ''
                                         'release'  'Creelpolation 1 (Disc 1)'
                                           'title'  'Original Compositions By Junior And Senior High School Students'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['trance', 'jazz', 'electronic', 'techno', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '19'
                                      'tracktotal'  ''
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'electronic-th-techno'
                                             'bpm'  '145.1'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Creelpolation 1 (Disc 1)'
'TBPM' (BPM (beats per minute))                     '145.1'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-techno'
'TDRC' (Recording time)                             '2006'
'TIT2' (Title/songname/content description)         'Original Compositions By Junior And Senior High School Students'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Various Artists'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '19'
'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'                                   ['trance', 'jazz', 'electronic', 'techno', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'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'                        '+0.56 dB'
'TXXX:replaygain_track_peak'                        '0.407986'

========================== row from database ==========================
                                              'id'  723950
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Creelpolation 1 (Creel Pone, 2006) 3cd-r [192k]/01-19-Various Artists - Original Compositions By Junior And Senior High School Students.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  381
                                           'genre'  electronic-th-techno
                                        'filesize'  9152536
                                           'mtime'  1620521680
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm (Creel Pone, 2006) 3cd [192k] 01 19 Various Artists electronic th techno
                                      'tag_artist'  Various Artists
                                     'tag_release'  Creelpolation 1 (Disc 1)
                                       'tag_title'  Original Compositions By Junior And Senior High School Students
                                             'bpm'  145.1
                                    'search_title'  'and':5 'by':3 'compositions':2 'high':7 'junior':4 'original':1 'school':8 'senior':6 'students':9
                                   'search_artist'  'artists':2 'various':1
                                  'search_release'  '1':2,5 'creelpolation':1 'disc':3,4
                                     'search_rest'  '19':10 '192k':8,9 '2006':5,6 '3cd':7 'artists':12 'creel':1,2 'electronic':13 'pone':3,4 'techno':15 'th':14 'various':11
                                    'search_combo'  '1':11C,14C '19':24 '192k':22,23 '2006':19,20 '3cd':21 'and':5A 'artists':26 'by':3A 'compositions':2A 'creel':15,16 'creelpolation':10C 'disc':12C,13C 'electronic':27 'high':7A 'junior':4A 'original':1A 'pone':17,18 'school':8A 'senior':6A 'students':9A 'techno':29 'th':28 'various':25
                                    'tag_tracknum'  19
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['trance', 'jazz', 'electronic', 'techno', 'rock']
                                        'tag_date'  2006
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620521679.5875432  (2021-05-09 02:54:39)
                             'size'  9152536