======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '369'
                                          'artist'  'Spacecraft'
                                     'text_people'  'Spacecraft'
                                         'release'  'Earthtime Tapestry'
                                           'title'  'Living World'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-1', 'q-syn-3', 'q-bass-1', 'q-busy-2', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['atmospheric', 'space', 'ambient', 'space music', 'space ambient', "
 "'electronic']")
                                     'discogstags'  "['electronic', 'ambient']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '1999'
                                        'comments'  ''
                                           'genre'  'electronic-ambient'
                                             'bpm'  '112.134'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Earthtime Tapestry'
'TBPM' (BPM (beats per minute))                     '112.134'
'TCOM' (Composer)                                   'Spacecraft'
'TCON' (Content type, a.k.a. Genre)                 'electronic-ambient'
'TDRC' (Recording time)                             '1999'
'TIT2' (Title/songname/content description)         'Living World'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Spacecraft'
'TPE2' (Band/orchestra/accompaniment)               'Spacecraft'
'TPUB' (Publisher)                                  'Lektronic Soundscape'
'TRCK' (Track number/Position in set)               '2'
'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', 'ambient']
'TXXX:lastfmtags'                                   ['atmospheric',
 'space',
 'ambient',
 'space music',
 'space ambient',
 'electronic']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.64 dB'
'TXXX:replaygain_track_peak'                        '0.621378'

========================== row from database ==========================
                                              'id'  1350003
                                            'path'  /data/Music/Bulk/00poprockelectronic/00ambient/Spacecraft/Earthttime Tapestry/02 - Living World.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  369
                                           'genre'  electronic-ambient
                                        'filesize'  8864575
                                           'mtime'  1636910809
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00ambient Earthttime 02 electronic ambient
                                      'tag_artist'  Spacecraft
                                     'tag_release'  Earthtime Tapestry
                                       'tag_title'  Living World
                                             'bpm'  112.134
                                    'search_title'  'living':1 'world':2
                                   'search_artist'  'spacecraft':1
                                  'search_release'  'earthtime':1 'tapestry':2
                                     'search_rest'  '00ambient':2 '00poprockelectronic':1 'ambient':5 'earthttime':3 'electronic':4
                                    'search_combo'  '00ambient':7 '00poprockelectronic':6 'ambient':10 'earthtime':4C 'earthttime':8 'electronic':9 'living':1A 'spacecraft':3B 'tapestry':5C 'world':2A
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-3', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['atmospheric', 'space', 'ambient', 'space music', 'space ambient', 'electronic']
                                        'tag_date'  1999
                                     'discogstags'  ['electronic', 'ambient']

============================== file details ==============================
                                           'mtime'  1636910808.7710078  (2021-11-14 18:26:48)
                             'size'  8864575