======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '555'
                                          'artist'  'Sons Of Tiki'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Three'
                                           'quals'  ("['Q-MIXBEAT-3', 'Q-HAP-2', 'Q-UNU-1', 'q-syn-4', 'q-bass-4', 'q-busy-3', "
 "'q-grit-2', 'q-play-3', 'Q-JZFKS-1', 'Q-OLDST-3', 'q-chart-1', 'q-drums-4', "
 "'q-other-1', 'q-piano-1', 'q-vocals-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1']")
                                      'lastfmtags'  "['tech house']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2015'
                                        'comments'  ''
                                           'genre'  'electronic-th-techno-minimal or deephouse'
                                             'bpm'  '102.3'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '102.3'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-techno-minimal or deephouse'
'TDRC' (Recording time)                             '2015'
'TIT2' (Title/songname/content description)         'Three'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Sons Of Tiki'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-MIXBEAT'                                    '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   'tech house'
'TXXX:other'                                        ' Man Attack (Malin Genie Remix)-254023556'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '4'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-2.57 dB'
'TXXX:replaygain_track_peak'                        '0.958389'

========================== row from database ==========================
                                              'id'  940628
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/soundcloud/alexsmoke/Sons Of Tiki - Three - Man Attack (Malin Genie Remix)-254023556.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  555
                                           'genre'  electronic-th-techno-minimal or deephouse
                                        'filesize'  8887626
                                           'mtime'  1621084969
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm soundcloud alexsmoke Man Attack (Malin Genie Remix) 254023556 electronic th techno minimal or deephouse
                                      'tag_artist'  Sons Of Tiki
                                     'tag_release'  None
                                       'tag_title'  Three
                                             'bpm'  102.3
                                    'search_title'  'three':1
                                   'search_artist'  'of':2 'sons':1 'tiki':3
                                  'search_release'  
                                     'search_rest'  '254023556':10 'alexsmoke':2 'attack':4 'deephouse':16 'electronic':11 'genie':7 'malin':5,6 'man':3 'minimal':14 'or':15 'remix':8,9 'soundcloud':1 'techno':13 'th':12
                                    'search_combo'  '254023556':14 'alexsmoke':6 'attack':8 'deephouse':20 'electronic':15 'genie':11 'malin':9,10 'man':7 'minimal':18 'of':3B 'or':19 'remix':12,13 'sons':2B 'soundcloud':5 'techno':17 'th':16 'three':1A 'tiki':4B
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', '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-4', 'q-chart-1', 'q-other-1', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['tech house']
                                        'tag_date'  2015
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1621084969.0114405  (2021-05-15 15:22:49)
                             'size'  8887626