======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '615'
                                          'artist'  'Astral Projection'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Ambient Galaxy'
                                           'quals'  ("['Q-HAP-3', '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-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['trance', 'goa', 'psychedelic', 'psytrance', 'electronic']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  'electronic-th-trance'
                                             'bpm'  '93.7'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '93.7'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-trance'
'TDRC' (Recording time)                             '1995'
'TIT2' (Title/songname/content description)         'Ambient Galaxy'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Astral Projection'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['trance', 'goa', 'psychedelic', 'psytrance', 'electronic']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '4'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-2.20 dB'
'TXXX:replaygain_track_peak'                        '0.636746'

========================== row from database ==========================
                                              'id'  1311001
                                            'path'  /data/Music/Bulk/00poprockelectronic/Astral Projection/Astral Projection - Ambient Galaxy.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  615
                                           'genre'  electronic-th-trance
                                        'filesize'  9857455
                                           'mtime'  1676053009
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic electronic th trance
                                      'tag_artist'  Astral Projection
                                     'tag_release'  None
                                       'tag_title'  Ambient Galaxy
                                             'bpm'  93.7
                                    'search_title'  'ambient':1 'galaxy':2
                                   'search_artist'  'astral':1 'projection':2
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 'electronic':2 'th':3 'trance':4
                                    'search_combo'  '00poprockelectronic':5 'ambient':1A 'astral':3B 'electronic':6 'galaxy':2A 'projection':4B 'th':7 'trance':8
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HAP-3', '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-3', 'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-1', 'q-mixbeat-2']
                                      'lastfmtags'  ['trance', 'goa', 'psychedelic', 'psytrance', 'electronic']
                                        'tag_date'  1995
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1676053008.991874  (2023-02-10 19:16:48)
                             'size'  9857455