======================== unified (from filesystem) ========================
                                         'bitrate'  '225.818'
                                        'duration'  '450'
                                          'artist'  'DJ Dusk'
                                     'text_people'  ''
                                         'release'  'Uplifting Progressive Trance'
                                           'title'  'Deep Breathing'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'q-syn-3', 'q-bass-2', 'q-busy-3', 'q-grit-2', "
 "'q-play-3', '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-4', 'Q-LOCALNESS-1']")
                                      'lastfmtags'  "['experimental hip hop', 'avanthop', 'garage hop']"
                                     'discogstags'  "['techno', 'electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'electronic-th-house-progressive'
                                             'bpm'  '125.7'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Uplifting Progressive Trance'
'TBPM' (BPM (beats per minute))                     '125.7'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-house-progressive'
'TDRC' (Recording time)                             '2004'
'TIT2' (Title/songname/content description)         'Deep Breathing'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'DJ Dusk'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['techno', 'electronic']
'TXXX:lastfmtags'                                   ['experimental hip hop', 'avanthop', 'garage hop']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '4'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-2.60 dB'
'TXXX:replaygain_track_peak'                        '0.479551'

========================== row from database ==========================
                                              'id'  731888
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/tribal electro ~ classic progressive house ~ uplifting progressive trance/Dousk - Deep Breathing (Original Mix).mp3
                                         'working'  None
                                         'bitrate'  225
                                    'duration_sec'  450
                                           'genre'  electronic-th-house-progressive
                                        'filesize'  12734382
                                           'mtime'  1620580667
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm tribal electro ~ classic progressive house ~ uplifting progressive trance Dousk (Original Mix) electronic house progressive
                                      'tag_artist'  DJ Dusk
                                     'tag_release'  Uplifting Progressive Trance
                                       'tag_title'  Deep Breathing
                                             'bpm'  125.7
                                    'search_title'  'breathing':2 'deep':1
                                   'search_artist'  'dj':1 'dusk':2
                                  'search_release'  'progressive':2 'trance':3 'uplifting':1
                                     'search_rest'  'classic':3 'dousk':8 'electro':2 'electronic':13 'house':5 'mix':11,12 'original':9,10 'progressive':4 'trance':7 'tribal':1 'uplifting':6
                                    'search_combo'  'breathing':2A 'classic':10 'deep':1A 'dj':3B 'dousk':15 'dusk':4B 'electro':9 'electronic':20 'house':12 'mix':18,19 'original':16,17 'progressive':6C,11 'trance':7C,14 'tribal':8 'uplifting':5C,13
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-4', '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-1', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['experimental hip hop', 'avanthop', 'garage hop']
                                        'tag_date'  2004
                                     'discogstags'  ['techno', 'electronic']

============================== file details ==============================
                                           'mtime'  1620580667.33179  (2021-05-09 19:17:47)
                             'size'  12734382