======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '214'
                                          'artist'  'Shiva'
                                     'text_people'  ''
                                         'release'  ':20 Minute Workout" (The Original Music)'
                                           'title'  'Ajitto (Tone-Up)'
                                           'quals'  ("['Q-HAP-4', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-2', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-1', 'q-busy-3', 'q-grit-1', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['progressive house', 'nwobhm', 'dark progressive', 'darkpsy', 'heavy metal']"
                                     'discogstags'  "['house', 'electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '02'
                                      'tracktotal'  ''
                                            'date'  '1983'
                                        'comments'  ''
                                           'genre'  'electronic-we-disco or italo'
                                             'bpm'  '110.35'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     ':20 Minute Workout" (The Original Music)'
'TBPM' (BPM (beats per minute))                     '110.35'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-disco or italo'
'TDRC' (Recording time)                             '1983'
'TIT2' (Title/songname/content description)         'Ajitto (Tone-Up)'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Shiva'
'TRCK' (Track number/Position in set)               '02'
'TXXX:Q-HAP'                                        '4'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['house', 'electronic']
'TXXX:lastfmtags'                                   ['progressive house', 'nwobhm', 'dark progressive', 'darkpsy', 'heavy metal']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.16 dB'
'TXXX:replaygain_track_peak'                        '0.741855'

========================== row from database ==========================
                                              'id'  316881
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/20 minute workout (shiva)/02 - Ajitto (Tone-Up).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  214
                                           'genre'  electronic-we-disco or italo
                                        'filesize'  8589184
                                           'mtime'  1620532845
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm minute workout (shiva) 02 electronic we disco italo
                                      'tag_artist'  Shiva
                                     'tag_release'  :20 Minute Workout" (The Original Music)
                                       'tag_title'  Ajitto (Tone-Up)
                                             'bpm'  110.35
                                    'search_title'  'ajitto':1 'tone':2 'toneup':4 'up':3
                                   'search_artist'  'shiva':1
                                  'search_release'  '20':1,2 'minute':3 'music':8,9 'original':7 'the':5,6 'workout':4
                                     'search_rest'  'disco':7 'electronic':5 'italo':8 'minute':1 'shiva':3,4 'we':6 'workout':2
                                    'search_combo'  '20':6C,7C 'ajitto':1A 'disco':21 'electronic':19 'italo':22 'minute':8C,15 'music':13C,14C 'original':12C 'shiva':5B,17,18 'the':10C,11C 'tone':2A 'toneup':4A 'up':3A 'we':20 'workout':9C,16
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-3', 'Q-HAP-4', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['progressive house', 'nwobhm', 'dark progressive', 'darkpsy', 'heavy metal']
                                        'tag_date'  1983
                                     'discogstags'  ['house', 'electronic']

============================== file details ==============================
                                           'mtime'  1620532845.2133455  (2021-05-09 06:00:45)
                             'size'  8589184