======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '172'
                                          'artist'  'Sleep Party People'
                                     'text_people'  ''
                                         'release'  'Sleep Party People'
                                           'title'  'A Sweet Song About Love'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-UNU-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-2', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['lo fi', 'electronic', 'dream pop', 'experimental', 'ambient']"
                                     'discogstags'  "['electronic', 'pop', 'folk, world, & country', 'leftfield', 'downtempo']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  ''
                                            'date'  '2011'
                                        'comments'  ''
                                           'genre'  'electronic'
                                             'bpm'  '145.163'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Sleep Party People'
'TBPM' (BPM (beats per minute))                     '145.163'
'TCON' (Content type, a.k.a. Genre)                 'electronic'
'TDRC' (Recording time)                             '2011'
'TIT2' (Title/songname/content description)         'A Sweet Song About Love'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Sleep Party People'
'TRCK' (Track number/Position in set)               '7'
'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', 'pop', 'folk, world, & country', 'leftfield', 'downtempo']
'TXXX:lastfmtags'                                   ['lo fi', 'electronic', 'dream pop', 'experimental', 'ambient']
'TXXX:original release date'                        ['2010', '2011']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '3'
'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'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.98 dB'
'TXXX:replaygain_track_peak'                        '0.488920'

========================== row from database ==========================
                                              'id'  1334095
                                            'path'  /data/Music/Bulk/00poprockelectronic/00calmer/sleep party people [320]/07 a sweet song about love.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  172
                                           'genre'  electronic
                                        'filesize'  6903461
                                           'mtime'  1636913606
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00calmer sleep party people [320] 07 sweet song about love electronic
                                      'tag_artist'  Sleep Party People
                                     'tag_release'  Sleep Party People
                                       'tag_title'  A Sweet Song About Love
                                             'bpm'  145.163
                                    'search_title'  'a':1 'about':4 'love':5 'song':3 'sweet':2
                                   'search_artist'  'party':2 'people':3 'sleep':1
                                  'search_release'  'party':2 'people':3 'sleep':1
                                     'search_rest'  '00calmer':2 '00poprockelectronic':1 '320':6,7 'about':10 'electronic':12 'love':11 'party':4 'people':5 'sleep':3 'song':9 'sweet':8
                                    'search_combo'  '00calmer':13 '00poprockelectronic':12 '320':17,18 'a':1A 'about':4A,21 'electronic':23 'love':5A,22 'party':7B,10C,15 'people':8B,11C,16 'sleep':6B,9C,14 'song':3A,20 'sweet':2A,19
                                    'tag_tracknum'  7
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', '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-3', 'q-other-4', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['lo fi', 'electronic', 'dream pop', 'experimental', 'ambient']
                                        'tag_date'  2011
                                     'discogstags'  ['electronic', 'pop', 'folk, world, & country', 'leftfield', 'downtempo']

============================== file details ==============================
                                           'mtime'  1636913605.6912303  (2021-11-14 19:13:25)
                             'size'  6903461