======================== unified (from filesystem) ========================
                                         'bitrate'  '192.044'
                                        'duration'  '374'
                                          'artist'  'Martinez'
                                     'text_people'  ''
                                         'release'  'sambalate'
                                           'title'  'Sambalate (Laidback mix)'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-OLDST-2', 'Q-UNU-2', 'q-syn-1', 'q-bass-4', "
 "'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-2', 'q-drums-3', 'q-other-2', "
 "'q-piano-1', 'q-vocals-1', 'Q-HHRNBTT-1', 'q-mixbeat-1', 'Q-LOCALNESS-3']")
                                      'lastfmtags'  "['minimal', 'minimal techno', 'techno', 'house', 'tech house']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'loc-samerica-brazil'
                                             'bpm'  '94.680'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'sambalate'
'TBPM' (BPM (beats per minute))                     '94.680'
'TCON' (Content type, a.k.a. Genre)                 'loc-samerica-brazil'
'TDRC' (Recording time)                             '2003'
'TIT2' (Title/songname/content description)         'Sambalate (Laidback mix)'
'TKEY' (Initial key)                                '7A'
'TPE1' (Lead performer(s)/Soloist(s))               'Martinez'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['minimal', 'minimal techno', 'techno', 'house', 'tech house']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-3.42 dB'
'TXXX:replaygain_track_peak'                        '0.833188'

========================== row from database ==========================
                                              'id'  1384030
                                            'path'  /data/Music/Bulk/0soundtrack/Negrocan - brazilectro/Martinez - Sambalate (Laidback Mix).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  374
                                           'genre'  loc-samerica-brazil
                                        'filesize'  8985863
                                           'mtime'  1621630368
                                   'redo_metaread'  0
                                        'rest_str'   0soundtrack Negrocan brazilectro Mix) loc samerica brazil
                                      'tag_artist'  Martinez
                                     'tag_release'  sambalate
                                       'tag_title'  Sambalate (Laidback mix)
                                             'bpm'  94.68
                                    'search_title'  'laidback':2,3 'mix':4,5 'sambalate':1
                                   'search_artist'  'martinez':1
                                  'search_release'  'sambalate':1
                                     'search_rest'  '0soundtrack':1 'brazil':8 'brazilectro':3 'loc':6 'mix':4,5 'negrocan':2 'samerica':7
                                    'search_combo'  '0soundtrack':8 'brazil':15 'brazilectro':10 'laidback':2A,3A 'loc':13 'martinez':6B 'mix':4A,5A,11,12 'negrocan':9 'sambalate':1A,7C 'samerica':14
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-1', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['minimal', 'minimal techno', 'techno', 'house', 'tech house']
                                        'tag_date'  2003
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1621630368.193164  (2021-05-21 22:52:48)
                             'size'  8985863