======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '480'
                                          'artist'  'zzzzra'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Immanence EP (Romance 001, snippets)'
                                           '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-3', 'q-busy-3', 'q-grit-2', "
 "'q-play-3', 'q-chart-1', 'q-drums-4', 'q-other-2', 'q-piano-1', "
 "'q-vocals-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'electronic-th-techno-minimal or deephouse'
                                             'bpm'  '119.9'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '119.9'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-techno-minimal or deephouse'
'TDRC' (Recording time)                             '2000'
'TIT2' (Title/songname/content description)         'Immanence EP (Romance 001, snippets)'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'zzzzra'
'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:other'                                        '312350818'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '4'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.70 dB'
'TXXX:replaygain_track_peak'                        '0.528861'

========================== row from database ==========================
                                              'id'  857634
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/soundcloud/zzzzra/zzzzra - Immanence EP (Romance 001, snippets)-312350818.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  480
                                           'genre'  electronic-th-techno-minimal or deephouse
                                        'filesize'  7682963
                                           'mtime'  1621085104
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm soundcloud 312350818 electronic th techno minimal or deephouse
                                      'tag_artist'  zzzzra
                                     'tag_release'  None
                                       'tag_title'  Immanence EP (Romance 001, snippets)
                                             'bpm'  119.9
                                    'search_title'  '001':5,6 'ep':2 'immanence':1 'romance':3,4 'snippets':7,8
                                   'search_artist'  'zzzzra':1
                                  'search_release'  
                                     'search_rest'  '312350818':2 'deephouse':8 'electronic':3 'minimal':6 'or':7 'soundcloud':1 'techno':5 'th':4
                                    'search_combo'  '001':5A,6A '312350818':11 'deephouse':17 'electronic':12 'ep':2A 'immanence':1A 'minimal':15 'or':16 'romance':3A,4A 'snippets':7A,8A 'soundcloud':10 'techno':14 'th':13 'zzzzra':9B
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  8A
                                           '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-2', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['electronic', 'techno', 'dub techno', 'minimal', 'ambient']
                                        'tag_date'  2000
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621085104.36634  (2021-05-15 15:25:04)
                             'size'  7682963