======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '319'
                                          'artist'  'Bruce haack'
                                     'text_people'  ''
                                         'release'  '1968 The way-out record for children [w/ miss nelson]'
                                           'title'  'Four Seasons'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
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                                      'lastfmtags'  "['11', 'space age pop', 'electronic', 'psychedelic', 'experimental']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
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                                     'tracknumber'  '10'
                                      'tracktotal'  ''
                                            'date'  '1968'
                                        'comments'  ''
                                           'genre'  'electronic-experimental'
                                             'bpm'  '102.3'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:iTunNORM:eng'                                 (' 000000F8 00000136 0000391E 000046E4 000029BC 00004929 0000479D 00005C53 '
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'TALB' (Album/Movie/Show title)                     '1968 The way-out record for children [w/ miss nelson]'
'TBPM' (BPM (beats per minute))                     '102.3'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental'
'TDRC' (Recording time)                             '1968'
'TENC' (Encoded by)                                 'iTunes 10.1.1.4'
'TIT2' (Title/songname/content description)         'Four Seasons'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Bruce haack'
'TRCK' (Track number/Position in set)               '10'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['11', 'space age pop', 'electronic', 'psychedelic', 'experimental']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.43 dB'
'TXXX:replaygain_track_peak'                        '0.858382'

========================== row from database ==========================
                                              'id'  918749
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Bruce Haack/1968 - Bruce Haack - The Way-Out Record For Children (Dimension 5) [320k]/10 four seasons.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  319
                                           'genre'  electronic-experimental
                                        'filesize'  13031116
                                           'mtime'  1636916711
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm Haack Haack Way Out Record For Children (Dimension 5) [320k] 10 four seasons electronic experimental
                                      'tag_artist'  Bruce haack
                                     'tag_release'  1968 The way-out record for children [w/ miss nelson]
                                       'tag_title'  Four Seasons
                                             'bpm'  102.3
                                    'search_title'  'four':1 'seasons':2
                                   'search_artist'  'bruce':1 'haack':2
                                  'search_release'  '1968':1 'children':8 'for':7 'miss':11 'nelson':12,13 'out':4 'record':6 'the':2 'w':9,10 'way':3 'wayout':5
                                     'search_rest'  '320k':11,12 '5':9,10 'children':6 'dimension':7,8 'electronic':15 'experimental':16 'for':5 'four':13 'haack':1 'out':3 'record':4 'seasons':14 'way':2
                                    'search_combo'  '1968':5C '320k':28,29 '5':26,27 'bruce':3B 'children':12C,23 'dimension':24,25 'electronic':32 'experimental':33 'for':11C,22 'four':1A,30 'haack':4B,18 'miss':15C 'nelson':16C,17C 'out':8C,20 'record':10C,21 'seasons':2A,31 'the':6C 'w':13C,14C 'way':7C,19 'wayout':9C
                                    'tag_tracknum'  10
                                      'num_images'  1
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-3', 'q-chart-2', 'q-other-4', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['11', 'space age pop', 'electronic', 'psychedelic', 'experimental']
                                        'tag_date'  1968
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636916710.720533  (2021-11-14 20:05:10)
                             'size'  13031116