======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '226'
                                          'artist'  'Frank Zappa'
                                     'text_people'  ''
                                         'release'  'Lost Episodes'
                                           'title'  'Basement Music #1'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'Q-OLDST-2', 'q-syn-3', 'q-bass-1', 'q-busy-3', 'q-grit-3', 'q-play-2', "
 "'q-chart-3', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['classic rock', 'jazz', 'progressive rock', 'experimental', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '26'
                                      'tracktotal'  ''
                                            'date'  '1996'
                                        'comments'  ''
                                           'genre'  'electronic-experimental-early'
                                             'bpm'  '102.8'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Lost Episodes'
'TBPM' (BPM (beats per minute))                     '102.8'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental-early'
'TDRC' (Recording time)                             '1996'
'TIT2' (Title/songname/content description)         'Basement Music #1'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Frank Zappa'
'TRCK' (Track number/Position in set)               '26'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['classic rock', 'jazz', 'progressive rock', 'experimental', 'rock']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.27 dB'
'TXXX:replaygain_track_peak'                        '0.768085'

========================== row from database ==========================
                                              'id'  1531713
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Global_s __And then came the Synths__ (Tfva&s)/Part2 - Med. Volume [256k VBR]/5. Frank Zappa - Basement Music #1 (1978).mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  226
                                           'genre'  electronic-experimental-early
                                        'filesize'  7237753
                                           'mtime'  1637328969
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm Global_s __And then came the Synths__ (Tfva&s) Part2 Med. Volume [256k VBR] 5. (1978) electronic experimental early
                                      'tag_artist'  Frank Zappa
                                     'tag_release'  Lost Episodes
                                       'tag_title'  Basement Music #1
                                             'bpm'  102.8
                                    'search_title'  '1':3,4 'basement':1 'music':2
                                   'search_artist'  'frank':1 'zappa':2
                                  'search_release'  'episodes':2 'lost':1
                                     'search_rest'  '1978':21,22 '256k':15,16 '5':19,20 'and':3 'came':5 'early':25 'electronic':23 'experimental':24 'global':1 'med':12,13 'part2':11 's':2,9 'synths':7 'tfva':8 'tfvas':10 'the':6 'then':4 'vbr':17,18 'volume':14
                                    'search_combo'  '1':3A,4A '1978':29,30 '256k':23,24 '5':27,28 'and':11 'basement':1A 'came':13 'early':33 'electronic':31 'episodes':8C 'experimental':32 'frank':5B 'global':9 'lost':7C 'med':20,21 'music':2A 'part2':19 's':10,17 'synths':15 'tfva':16 'tfvas':18 'the':14 'then':12 'vbr':25,26 'volume':22 'zappa':6B
                                    'tag_tracknum'  26
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-3', 'q-chart-3', 'q-other-4', 'Q-HAP-2', 'q-bass-1', 'q-grit-3']
                                      'lastfmtags'  ['classic rock', 'jazz', 'progressive rock', 'experimental', 'rock']
                                        'tag_date'  1996
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1637328969.1308136  (2021-11-19 14:36:09)
                             'size'  7237753