======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '371'
                                          'artist'  'Infected Mushroom'
                                     'text_people'  ''
                                         'release'  'Deeply Disturbed CDS'
                                           'title'  'Deeply Disturbed (Violet Visio'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', "
 "'Q-OLDST-4', 'q-syn-4', 'q-bass-3', 'q-busy-3', 'q-grit-3', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['trance', 'goa', 'electronic', 'psychedelic', 'psytrance']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'electronic-th-trance-goa or psy'
                                             'bpm'  '89.256'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Deeply Disturbed CDS'
'TBPM' (BPM (beats per minute))                     '89.256'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-trance-goa or psy'
'TDRC' (Recording time)                             '2003'
'TIT2' (Title/songname/content description)         'Deeply Disturbed (Violet Visio'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Infected Mushroom'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '4'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['trance', 'goa', 'electronic', 'psychedelic', 'psytrance']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '4'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+1.21 dB'
'TXXX:replaygain_track_peak'                        '0.520673'

========================== row from database ==========================
                                              'id'  1404581
                                            'path'  /data/Music/Bulk/00poprockelectronic-generic-dance-trapbeat/Infected Mushroom/Deeply Disturbed/03-infected_mushroom-deeply_disturbed_violet_vision-bpm.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  371
                                           'genre'  electronic-th-trance-goa or psy
                                        'filesize'  8910816
                                           'mtime'  1620559315
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic generic dance trapbeat 03 infected_mushroom deeply_disturbed_violet_vision bpm electronic th trance goa or psy
                                      'tag_artist'  Infected Mushroom
                                     'tag_release'  Deeply Disturbed CDS
                                       'tag_title'  Deeply Disturbed (Violet Visio
                                             'bpm'  89.256
                                    'search_title'  'deeply':1 'disturbed':2 'violet':3,4 'visio':5
                                   'search_artist'  'infected':1 'mushroom':2
                                  'search_release'  'cds':3 'deeply':1 'disturbed':2
                                     'search_rest'  '00poprockelectronic':1 'bpm':11 'dance':3 'deeply':7 'disturbed':8 'electronic':12 'generic':2 'goa':15 'infected':5 'mushroom':6 'or':16 'psy':17 'th':13 'trance':14 'trapbeat':4 'violet':9 'vision':10
                                    'search_combo'  '00poprockelectronic':11 'bpm':21 'cds':10C 'dance':13 'deeply':1A,8C,17 'disturbed':2A,9C,18 'electronic':22 'generic':12 'goa':25 'infected':6B,15 'mushroom':7B,16 'or':26 'psy':27 'th':23 'trance':24 'trapbeat':14 'violet':3A,4A,19 'visio':5A 'vision':20
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-4', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-4', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-3']
                                      'lastfmtags'  ['trance', 'goa', 'electronic', 'psychedelic', 'psytrance']
                                        'tag_date'  2003
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620559315.2365706  (2021-05-09 13:21:55)
                             'size'  8910816