======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '308'
                                          'artist'  'Rival Consoles'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Noisia - The Approach (Rival Consoles Remix)'
                                           'quals'  ("['Q-MIXBEAT-3', 'Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-JZFKS-1', 'Q-OLDST-3', 'q-syn-4', 'q-bass-4', 'q-busy-3', 'q-grit-2', "
 "'q-play-4', 'q-chart-3', 'q-drums-3', 'q-other-2', 'q-piano-1', "
 "'q-vocals-1']")
                                      'lastfmtags'  "['idm', 'electronic', 'electro', 'experimental', 'ambient']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2015'
                                        'comments'  ''
                                           'genre'  'electronic-th-techno-minimal or deephouse'
                                             'bpm'  '145.5'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '145.5'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-techno-minimal or deephouse'
'TDRC' (Recording time)                             '2015'
'TIT2' (Title/songname/content description)         'Noisia - The Approach (Rival Consoles Remix)'
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'Rival Consoles'
'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'                                   ['idm', 'electronic', 'electro', 'experimental', 'ambient']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '4'
'TXXX:q-syn'                                        '4'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-3.03 dB'
'TXXX:replaygain_track_peak'                        '0.589653'

========================== row from database ==========================
                                              'id'  856705
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/soundcloud/rivalconsoles/Noisia - The Approach (Rival Consoles Remix)-316543061.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  308
                                           'genre'  electronic-th-techno-minimal or deephouse
                                        'filesize'  4937869
                                           'mtime'  1621085005
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm soundcloud rivalconsoles 316543061 electronic th techno minimal or deephouse
                                      'tag_artist'  Rival Consoles
                                     'tag_release'  None
                                       'tag_title'  Noisia - The Approach (Rival Consoles Remix)
                                             'bpm'  145.5
                                    'search_title'  'approach':3 'consoles':6 'noisia':1 'remix':7,8 'rival':4,5 'the':2
                                   'search_artist'  'consoles':2 'rival':1
                                  'search_release'  
                                     'search_rest'  '316543061':3 'deephouse':9 'electronic':4 'minimal':7 'or':8 'rivalconsoles':2 'soundcloud':1 'techno':6 'th':5
                                    'search_combo'  '316543061':13 'approach':3A 'consoles':6A,10B 'deephouse':19 'electronic':14 'minimal':17 'noisia':1A 'or':18 'remix':7A,8A 'rival':4A,5A,9B 'rivalconsoles':12 'soundcloud':11 'techno':16 'th':15 'the':2A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'Q-MIXBEAT-3', 'q-play-4', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-4', 'q-chart-3', 'q-other-2', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['idm', 'electronic', 'electro', 'experimental', 'ambient']
                                        'tag_date'  2015
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1621085005.3527012  (2021-05-15 15:23:25)
                             'size'  4937869