======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '240'
                                          'artist'  'Ray'
                                     'text_people'  ''
                                         'release'  'Giga Dance'
                                           'title'  '3 X A Day'
                                           'quals'  ("['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-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-3']")
                                      'lastfmtags'  ("['old school hardcore', 'j pop', 'youth crew', 'russian hardcore', "
 "'russian', 'hardcore']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1997'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-dance'
                                             'bpm'  '90.331'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Giga Dance'
'TBPM' (BPM (beats per minute))                     '90.331'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-dance'
'TDRC' (Recording time)                             '1997'
'TIT2' (Title/songname/content description)         '3 X A Day'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Ray'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TXXX:Mp3gain_minmax'                               '000,194'
'TXXX:Mp3gain_undo'                                 '+002,+002,N'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:Tracknum'                                     '08'
'TXXX:lastfmtags'                                   ['old school hardcore',
 'j pop',
 'youth crew',
 'russian hardcore',
 'russian',
 'hardcore']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.22 dB'
'TXXX:replaygain_track_peak'                        '0.588352'

========================== row from database ==========================
                                              'id'  1402924
                                            'path'  /data/Music/Bulk/00poprockelectronic-generic-dance-trapbeat/Giga Dance/08 - Ray - 3 X A Day.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  240
                                           'genre'  electronic-generic or radio-dance
                                        'filesize'  3846851
                                           'mtime'  1620558560
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic generic dance trapbeat 08 electronic generic or radio dance
                                      'tag_artist'  Ray
                                     'tag_release'  Giga Dance
                                       'tag_title'  3 X A Day
                                             'bpm'  90.331
                                    'search_title'  '3':1 'a':3 'day':4 'x':2
                                   'search_artist'  'ray':1
                                  'search_release'  'dance':2 'giga':1
                                     'search_rest'  '00poprockelectronic':1 'dance':3 'electronic':5 'generic':2 'or':6 'radio':7 'trapbeat':4
                                    'search_combo'  '00poprockelectronic':8 '3':1A 'a':3A 'dance':7C,10 'day':4A 'electronic':12 'generic':9 'giga':6C 'or':13 'radio':14 'ray':5B 'trapbeat':11 'x':2A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-3', 'q-other-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['old school hardcore', 'j pop', 'youth crew', 'russian hardcore', 'russian', 'hardcore']
                                        'tag_date'  1997
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620558559.862985  (2021-05-09 13:09:19)
                             'size'  3846851