======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '467'
                                          'artist'  'Astrix & Atomic Pulse'
                                     'text_people'  ''
                                         'release'  'Unknown (Promo)'
                                           'title'  'Valirus'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'q-syn-4', 'q-bass-4', 'q-busy-3', 'q-grit-2', "
 "'q-play-3', 'Q-JZFKS-1', 'Q-OLDST-4', 'q-chart-2', 'q-drums-4', 'q-other-1', "
 "'q-piano-1', 'q-vocals-1', 'Q-HHRNBTT-1', 'q-mixbeat-4', 'Q-LOCALNESS-1']")
                                      'lastfmtags'  "['psytrance', 'goa', 'trance', 'synthpop', 'psychedelic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'electronic-th-trance-goa or psy'
                                             'bpm'  '135.0'
                                             'key'  '4B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Unknown (Promo)'
'TBPM' (BPM (beats per minute))                     '135.0'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-trance-goa or psy'
'TDRC' (Recording time)                             '2002'
'TIT2' (Title/songname/content description)         'Valirus'
'TKEY' (Initial key)                                '4B'
'TPE1' (Lead performer(s)/Soloist(s))               'Astrix & Atomic Pulse'
'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:lastfmtags'                                   ['psytrance', 'goa', 'trance', 'synthpop', 'psychedelic']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '4'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '4'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.86 dB'
'TXXX:replaygain_track_peak'                        '0.820842'

========================== row from database ==========================
                                              'id'  1298251
                                            'path'  /data/Music/Bulk/00poprockelectronic/Astrix/Atomic Pulse & Astrix - Valirus.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  467
                                           'genre'  electronic-th-trance-goa or psy
                                        'filesize'  14952526
                                           'mtime'  1620567456
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic electronic th trance goa or psy
                                      'tag_artist'  Astrix & Atomic Pulse
                                     'tag_release'  Unknown (Promo)
                                       'tag_title'  Valirus
                                             'bpm'  135.0
                                    'search_title'  'valirus':1
                                   'search_artist'  'astrix':1 'atomic':2 'pulse':3
                                  'search_release'  'promo':2,3 'unknown':1
                                     'search_rest'  '00poprockelectronic':1 'electronic':2 'goa':5 'or':6 'psy':7 'th':3 'trance':4
                                    'search_combo'  '00poprockelectronic':8 'astrix':2B 'atomic':3B 'electronic':9 'goa':12 'or':13 'promo':6C,7C 'psy':14 'pulse':4B 'th':10 'trance':11 'unknown':5C 'valirus':1A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  4B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-4', '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-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['psytrance', 'goa', 'trance', 'synthpop', 'psychedelic']
                                        'tag_date'  2002
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620567456.4215212  (2021-05-09 15:37:36)
                             'size'  14952526